Free apps, useful alternatives.

AFFiNE→

Write documents, organise notes and plan ideas on a whiteboard.

100% free local desktop app or open-source self-hosted edition.

Affinity→

Create vector artwork, edit layered images and lay out publications on your desktop.

Free desktop design suite · Canva account required · optional AI is paid

Archify→

Turn system descriptions and workflows into interactive diagrams you can share as HTML or export as images.

Free MIT software · Local Node.js and coding agent required · Agent/model usage may cost extra

ArtCraft→

Create AI images and video through an interface connected to your own compute or providers.

Free source software · own compute or paid provider access · hosted credits cost extra.

CADCraft→

Create and edit technical CAD drawings.

Free open-source desktop software; local hardware required. Alpha release.

Cleanup.pictures→

Remove unwanted objects, people and small distractions from photos with a brush in your browser.

Free unlimited images · Exports up to 720px · Full-resolution exports and API are paid

Compositor→

Composite and retouch images with layers, masks, colour adjustments and RAW development on your Mac.

Free MIT desktop software · Apple silicon · macOS 26+ · Own hardware

D2→

Create diagrams from text definitions and export them for documents or websites.

Everything (MPL-2.0)

darktable→

Organise RAW photos and edit exposure, colour and masks without a subscription.

Free desktop software · local photo library · no edit quota

DesignCraft→

Lay out pages and prepare desktop publications.

Free open-source desktop software; local hardware required. Alpha release.

Doory→

Design social posts, posters and presentations with editable layers, then export images, PDFs or short animations.

Free editor · Attribution Assurance Licence · Self-hosting costs extra · Hosted limits may vary

draw.io→

Draw flowcharts, system diagrams and process maps in your browser.

'Free forever, no sign-up required' (site); Apache-2.0; desktop app too.

Excalidraw→

Turn rough ideas into diagrams, wireframes and sketches.

Free editor. No account or drawing quota.

FigCraft→

Design interfaces and build interactive prototypes.

Free open-source desktop software; local hardware required. Alpha release.

FreeCAD→

Design parametric 3D parts and produce dimensioned technical drawings.

Free open-source parametric CAD that runs locally; you supply the hardware and learning time.

Friction→

Animate 2D vector and raster graphics with keyframes.

Free open-source desktop animation software.

GIMP→

Retouch images and create layered raster artwork.

Free open-source desktop editor · Commercial use allowed · Own computer

Glaxnimate→

Create vector animations and export Lottie, animated SVG, GIF or WebP.

Free open-source local editor · no project quota.

GraphicsGale→

Create layered pixel art and frame-by-frame sprite animations on Windows.

Freeware · Windows · commercial output allowed

ImageMagick→

Resize images and convert PNG, WebP and JPEG files locally.

Free open-source software. No image quota; uses your computer. Commercial use allowed under its licence.

Inkscape→

Create vector illustrations, icons and logos in SVG.

Free open-source desktop vector editor.

Krita→

Paint illustrations and concept art with custom brushes and layers.

Free desktop download; commercial use allowed. No image quota; optional store editions are paid.

LazPaint→

Edit raster and vector layers for everyday image adjustments.

Free open-source desktop editor · local files.

LibreSprite→

Draw pixel art and animated sprites with layers and onion skinning.

Free open-source desktop app · no subscription.

LightCraft→

Develop photos with non-destructive image adjustments.

Free open-source desktop software; local hardware required. Alpha release.

Mermaid→

Create flowcharts, sequence diagrams and architecture diagrams from text.

Free MIT-licensed diagram engine · live editor or local rendering

OpenToonz→

Draw, ink, paint and composite traditional 2D animation.

Free desktop app · commercial use allowed · own artwork & licensed assets

Pencil2D→

Draw traditional frame-by-frame 2D animations.

Free open source · commercial use allowed · local desktop.

Penpot→

Design interfaces, make prototypes and create original layouts in the browser.

Free plan · up to 8 team members · 10 GB storage · 7-day history

PhotoCraft→

Retouch photos and edit layered raster images on your desktop.

Free open-source desktop software; local hardware required. Alpha release.

PhotoDemon→

Retouch photos, edit image layers and process batches of images.

Free open-source portable Windows editor · no usage quota.

Photopea→

Edit images and create graphics in your browser, with layers and selection tools.

Free core editor, supported by ads.

Pikimov→

Create keyframed titles, compositing and simple motion graphics in your browser.

Free browser editor · no account · local processing.

Piskel→

Make small pixel sprites and GIF animations directly in your browser.

Free · no account to start · GIF & PNG sprite-sheet export

Pixelorama→

Draw pixel sprites and animate them frame by frame.

Free MIT app · desktop & browser · Steam edition is optional

PlantUML→

Turn text definitions into UML, sequence, timing and activity diagrams.

Free open-source engine · own computer · Java setup

Polotno Studio→

Make social posts, flyers and banners from templates in the browser.

Free online design editor (site title).

RapidRAW→

Develop RAW photos with local non-destructive adjustments and batch processing.

Free open-source desktop software · local GPU required.

RawTherapee→

Develop RAW images with detailed colour controls and batch export.

Free desktop software · no export quota · own hardware

Scribus→

Lay out newsletters, photo books and print-ready PDFs.

Free GPL app · desktop · commercial publishing allowed

Synfig Studio→

Animate vector artwork with keyframes, bones and automatic tweening.

Free desktop animation software · no render credits

Tahoma2D→

Create drawn, cutout and stop-motion animation with an approachable OpenToonz fork.

Free BSD app · Windows, macOS & Linux · no subscription

tldraw→

Sketch ideas, brainstorm and draw diagrams on a shared browser whiteboard.

tldraw.com is a free collaborative whiteboard (site title: 'free and instant collaborative whiteboarding').

VectorCraft→

Create and edit vector artwork.

Free open-source desktop software; local hardware required. Alpha release.

yEd→

Draw flowcharts and network diagrams with automatic layout and SVG/PDF export.

Free for personal and commercial diagram creation · desktop

aTrain→

Transcribe recordings offline with speaker labels and research-friendly exports.

Free AGPL software · downloaded models · your own CPU or GPU

Bark→

Generate speech and other audio from text using a local generative model.

Free open source (MIT); requires local GPU compute.

BetterWispr→

Dictate into Mac apps with local speech recognition and saved transcription history.

Free and open source. Local models use your Mac; no account or API key needed. Optional cloud services may cost extra.

Buzz→

Transcribe audio and video files locally and export text or subtitle files.

MIT free desktop software. Local Whisper models have no daily transcription quota. Own compatible hardware and model downloads required. Optional AI API features have separate provider charges.

Handy→

Dictate and paste text into other apps using local speech models.

Free open-source dictation · your computer and downloaded models.

Kokoro→

Generate spoken audio from text using a local speech model.

Free and open source (Apache-2.0 licence per GitHub). Runs locally with no usage cap; you supply the computer.

noScribe→

Turn recordings into editable transcripts with speaker labels on your computer.

Free GPL software · local models · no monthly minute credits

OpenWhispr→

Use hotkey dictation and paste speech as text with local models.

Free open-source local mode · model downloads and hardware required.

Piper→

Convert text into speech locally using downloadable voice models.

Free and open source (GPL-3.0 licence per GitHub).

Spokenly→

Dictate into apps with local Whisper or Parakeet models.

Unlimited free local dictation · no account required.

Superwhisper→

Dictate text into your apps using local speech models.

Unlimited dictation with free Nano, Fast and Standard models.

Vibe→

Transcribe recordings locally and export text or subtitle files.

Free local transcription · downloaded models · own hardware

VoiceInk (source build)→

Dictate into Mac apps using local speech recognition.

Free source build; macOS 15+, developer tools and local hardware. Ready-made installer is paid after trial.

VoiceStudio→

Turn scripts into spoken audio and narrate personal audiobook projects on your own computer.

Free software · AGPL-3.0 · Default OmniVoice model: noncommercial only · Your hardware and storage

VoxCPM→

Speech generation foundation model with emotional expression control and zero-shot voice cloning from audio clips.

Apache-2.0 License · Free weights and inference code

whisper.cpp→

Transcribe recorded audio into text on your own computer.

Free software. Your hardware + a downloaded model.

Willow→

Dictate messages, emails and documents directly into the apps where you type.

Free Basic: unlimited Frontier Mini dictation · 20 Scribe uses/week

Collabora Online→

Collaborate on documents, spreadsheets and presentations in your browser.

Source published on GitHub under a custom/non-standard licence (GitHub shows no standard SPDX id); check terms for commercial use.

CryptPad→

Collaborate on documents, spreadsheets, presentations and forms in your browser.

CryptPad.fr free account: 1 GiB storage, 25 MiB per upload; other instances set their own limits.

FreeOffice→

Write documents, work with spreadsheets and build presentations offline.

Free for personal and business use · Windows, Mac and Linux

Harper→

Check grammar locally in your editor, browser or command line.

Everything (Apache-2.0).

Hemingway Editor→

Find heavy sentences, passive voice and unnecessary words. Make your own writing easier to read.

Free manual readability editor. AI editing is paid.

LanguageTool→

Check spelling, grammar and writing style in documents and browser text fields.

Basic plan free (browser extension/web editor); Premium adds more checks, paraphrasing and longer texts. Core engine LGPL and self-hostable.

LibreOffice→

Write documents, edit spreadsheets and create presentations on your desktop.

Free and open source (MPL-2.0).

MarkText→

Write and edit Markdown documents with a desktop preview.

Free and open source (MIT licence per GitHub).

novelWriter→

Organise novel chapters, scenes, notes and cross-references while drafting.

Free open-source plain-text novel/project editor on Linux/Windows/macOS. Official current macOS DMG discontinued; Python/PyPI setup required.

ONLYOFFICE Desktop Editors→

Create and edit documents, spreadsheets and presentations on your desktop.

Free desktop editors for personal and professional use; local files limited by own storage.

StackEdit→

Write Markdown in your browser with a live formatted preview.

Free; optional sync to Google Drive, Dropbox or GitHub. Documents stored in the browser.

Vale→

Check writing against configurable style rules from the command line.

Everything (MIT).

write-good→

Find passive voice, vague wording and repetition in your writing.

Everything (MIT).

Writing Tools→

Proofread and rewrite selected text using a local language model.

Free software · Ollama or LM Studio · local model and hardware required

Zettlr→

Write and organise Markdown documents, research notes and longer manuscripts.

Free open-source desktop editor · local files · no document quota

Ardour→

Record, arrange and mix multitrack audio with a Linux distribution package.

Free Linux packages or source build · upstream installers paid

Audacity→

Record and edit multitrack audio, apply effects and export podcasts or dialogue.

Free open-source desktop audio recorder/editor for Windows/macOS/Linux; GPL commercial use allowed.

auto-editor→

Remove silent sections from recordings with a command-line tool.

Everything (Unlicense).

Avidemux→

Cut unwanted footage, join compatible clips, apply filters and encode video files.

Free desktop software · GPL-2.0 · No export quota · Your own hardware

BigBlueButton→

Run online classes with video, screen sharing and presentation tools.

Free LGPL software · Dedicated server and bandwidth required · No hosted free production plan included

Clips Kitty→

Turn long videos into captioned vertical highlights using local models.

AGPL-3.0-or-later local Windows app. No per-clip fee or software quota. Default Ollama/Gemma route uses own hardware. Optional OpenRouter cloud inference is separately billed; Google API features need a separate key.

ComfyUI→

Build reusable node workflows for local text-to-video and image-to-video generation.

Free GPL-3.0 app · Local Wan 2.1 · Own GPU required

DaVinci Resolve (free)→

Edit video timelines, colour-grade footage and mix audio.

Free desktop editor · up to UHD 60 fps with supported 8-bit formats.

EffectCraft→

Create motion graphics and composite visual elements.

Free open-source desktop software; local hardware required. Alpha release.

FFmpeg→

Trim, convert and process video and audio files from the command line.

Free and open source (LGPL/GPL).

FilmCraft→

Edit video on a timeline with titles, sound and export tools.

Free open-source desktop software; local hardware required. Alpha release.

Greenshot→

Capture, annotate and redact screenshots for documentation and support.

Free Windows edition · GPL-3.0 · No capture quota · Mac app paid

Gyroflow→

Stabilize compatible action-camera footage using recorded motion data.

Free open-source desktop software · local processing.

HandBrake→

Batch-convert and compress video using presets and an encoding queue.

Free open-source transcoder · runs on your computer.

HyperFrames→

Create animated titles, product promos and motion graphics from HTML, then render them to MP4.

Free local renderer · Apache-2.0 · Node.js 22+ and FFmpeg · Your hardware; optional AI/cloud costs

Jitsi Meet→

Run browser-based video meetings with screen sharing and chat.

Public meeting service free · Host account required · Self-hosting costs extra

Kdenlive→

Edit multitrack video with proxies, subtitles and colour correction.

Free open-source desktop editor · local storage and hardware.

LosslessCut→

Trim and join compatible video clips without re-encoding.

Free official GitHub downloads · store versions cost extra.

Navidrome→

Stream your own music collection from a server to your devices.

Free open-source software (GPL-3.0). Unlimited personal streaming.

OBS Studio→

Record screen-and-camera tutorials to local video files.

Free open-source desktop app; no recording cap. Local hardware and storage required.

OpenScreen→

Turn local screen recordings into product demos with zooms, editable cursors and captions.

Free · MIT · macOS, Windows and Linux · local export

OpenShorts→

Turn spoken long-form videos into captioned vertical clips on your own server.

Free self-hosted core · local model and server required

OpenShot→

Trim and arrange video with titles, transitions and keyframe animation.

Free desktop editor · no watermarks or project limits.

Qtractor→

Record and arrange multitrack audio and MIDI on Linux.

Free GPL software · Linux · audio setup & own hardware required

Recordly→

Record screen demos with automatic zoom, cursor effects and MP4 or GIF export.

Free open-source desktop app · uses your computer.

Screenity→

Record screen demos with annotations and export video from Chrome.

Free open-source extension; no recording-count or duration cap.

ShareX→

Capture screenshots and screen recordings on Windows.

Free open-source Windows app · save recordings locally.

Shotcut→

Edit multitrack video with filters, keyframes and proxy files.

Free open-source desktop editor · no subscription.

Shutter Encoder→

Batch transcode, rewrap and prepare video or audio delivery files.

Free open-source desktop converter · optional donations.

SoundCraft→

Record, arrange and edit multitrack audio.

Free open-source desktop software; local hardware required. Alpha release.

Spotube→

Browse music and listen through a desktop or mobile streaming client.

Free open-source software (BSD-4-Clause). No subscription required.

Tenacity→

Record, cut and edit audio in a multitrack desktop editor.

Free desktop audio editor · own hardware and storage

Tight Studio→

Record polished Mac product demos with smooth zooms, cursor effects and captions.

Free core · macOS · 5 share links, expiring after 7 days

VSDC Free Video Editor→

Edit layered videos, add titles and export without a watermark on Windows.

Free Windows editor · no watermark · no video-duration cap

WanGP→

Generate short videos from text or images locally, with model selection and batch queues.

Free local use · Own GPU required · Community licence conditions apply

wide.video→

Edit clips, titles and audio on a multitrack browser timeline.

Free · no account, ads or export watermark · local processing.

Agentic Inbox→

Email assistant powered by Workers and Email Routing to triage incoming threads and draft replies automatically.

MIT License · Generous free tier on Cloudflare Workers

Anytype→

Organise linked notes, documents and collections in a local workspace.

Free desktop and mobile apps with 1GB free encrypted backup node sync.

AppFlowy→

Organise notes, project documents and database views in a workspace you control.

Free and open source (AGPL-3.0 licence per GitHub).

BorgBackup→

Keep encrypted, deduplicated backups on your own disk or SSH server.

Free backup software · supply your own backup storage

Cal.com→

Let people book appointments from your availability and connected calendars.

Individuals plan free forever for 1 user (Cal.com branding); teams $12/user/month.

DeckCraft→

Create and edit presentation slides on your desktop.

Free open-source desktop software; local hardware required. Alpha release.

Documenso→

Prepare documents, request signatures and track their completion.

Free and open source (AGPL-3.0 licence per GitHub).

DocuSeal→

Prepare digital forms, collect signatures and manage signed documents.

Free Cloud Basic: 10 request emails/month · Free self-hosted manual signing: hosting, storage and SMTP extra

Easy!Appointments→

Offer appointment booking and manage availability on your own server.

Free and open source (GPL-3.0 licence per GitHub).

Errands→

Keep simple task lists and subtasks on your Linux desktop.

Free local task lists · Linux Flatpak · optional Nextcloud sync

Focalboard→

Organise tasks and projects on boards hosted on your own server.

Source published on GitHub under a custom/non-standard licence (GitHub shows no standard SPDX id); check terms for commercial use.

GridCraft→

Edit spreadsheets and organise tabular data on your desktop.

Free open-source desktop software; local hardware required. Alpha release.

Grist→

Organise related data in spreadsheet tables with formulas and linked records.

100% free open-source (Apache-2.0). Unlimited records and workspaces when self-hosted.

Habitica→

Turn daily habits and to-dos into a game with experience points and rewards.

Free core habit tracking · Web, iOS and Android · Optional game purchases

JabRef→

Organise research references, import publication details and maintain bibliographies for your writing.

Free local software · MIT · No library-entry quota · Windows, macOS and Linux

Joplin→

Keep searchable notes, attachments and notebooks locally, with optional encrypted sync.

Free open-source apps · no note-count cap · storage limited by your device or chosen sync provider

Logseq→

Build a linked knowledge base from outlines, daily notes and references.

Free open-source software (AGPL-3.0). 100% free offline usage.

Loop Habit Tracker→

Track daily habits, reminders and progress on Android.

Completely free · Android · Offline tracking and manual backups

Mailspring→

Manage email accounts and search messages in a desktop mail client.

100% free open-source core (GPLv3). Unlimited email accounts and offline local search.

Mattermost→

Coordinate work through channels, messages and shared files.

Source published on GitHub under a custom/non-standard licence (GitHub shows no standard SPDX id); check terms for commercial use.

Mealie→

Save recipes, plan meals and build shopping lists on your own server.

100% free and open-source (MIT license per GitHub).

NAPS2→

Scan documents, recognise their text and arrange pages into searchable PDFs.

Free desktop app · GPL-2.0-or-later · No scan/OCR quota · Windows, macOS and Linux

Nextcloud→

Store, sync and share files through your own server.

Free AGPL software · Storage limited by your own infrastructure · Hosting and backups extra

NocoDB→

Organise database records in a spreadsheet-style interface with forms and views.

Self-hosted edition free

Obsidian→

Write linked Markdown notes and organise a personal knowledge base locally.

Free without limits. No sign-up required. (obsidian.md/pricing); Sync/Publish are optional paid add-ons.

OpenProject→

Plan project work with issue tracking, Gantt charts and time tracking.

Community edition free

OpenSign→

Request document signatures and track signing progress on your own server.

Open-source core available on GitHub. Unlimited free signatures when self-hosted.

Outline→

Write, organise and share a searchable knowledge base for your team.

Source published on GitHub under a custom/non-standard licence (GitHub shows no standard SPDX id); check terms for commercial use.

Pandoc→

Convert Markdown briefs to Word documents or HTML on your own computer.

Free open-source software (GPL). No document quota; uses your computer.

PDF Arranger→

Merge, split, rotate, crop and reorder PDF pages locally.

Free local PDF page tools · no upload or daily quota

PdfCraft→

Read and edit PDF documents on your desktop.

Free open-source desktop software; local hardware required. Alpha release.

PDFsam Basic→

Split, merge, rotate and extract PDF pages on your computer.

Free desktop page tools · no watermark or file-size cap

Plane→

Track issues, plan project cycles and organise work in boards and documents.

Free and open source (AGPL-3.0 licence per GitHub).

Planify→

Organise tasks, projects and reminders in a native Linux app.

Free local task manager · Linux · optional sync provider costs

Planka→

Track project work on Kanban boards with cards, lists and assignments.

Free to self-host

qpdf→

Merge, reorder and extract PDF pages locally with a command-line tool.

Free open-source software (Apache-2.0). No page quota; uses your computer.

Raindrop.io→

Save links, organise them into tagged collections and find your bookmarks across browsers and devices.

Free unlimited bookmarks, collections and devices · File uploads 100MB/month · Pro extras paid

Readeck→

Save web articles and highlights to a reading library you control.

100% free open-source software (GPLv3). Unlimited saves and highlights.

Reedsy Studio→

Draft chapters and produce ebook/print interior files.

Core writing and formatting remain free; export EPUB3 and print-ready PDF. Optional Craft/Outline paid add-ons. Browser/account required.

SiYuan→

Keep linked notes and structured personal knowledge in a local workspace.

Free local notes and basic features · sync features are paid

Stirling-PDF→

Merge, split, convert and process PDF documents on your own server.

Self-hosted free PDF tools · Up to 5 users · Hosting costs separate

Super Productivity→

Capture tasks, organise projects, recurring work, daily planning and time tracking.

Free local task manager, timeboxing and time tracking; optional sync uses your own storage.

Taiga→

Plan projects with backlogs, sprints and Kanban boards.

100% free open-source (MPL-2.0 backend, AGPL-3.0 frontend) or free cloud tier (up to 3 users).

Tally→

Build forms with conditional fields and collect responses on the web.

Free: unlimited forms and submissions under fair use; 10MB file upload cap; Tally branding on free plan.

Tandoor Recipes→

Organise recipes, adjust portions and plan meals on your own server.

100% free and open-source (AGPL-3.0 license per GitHub).

Tasks.org→

Manage task lists, reminders and recurring to-dos on Android.

100% free open-source (GPLv3). Unlimited tasks and lists.

Taskwarrior→

Manage tasks, priorities and recurring work from the terminal.

Free local CLI · no task quota · technical setup

Thunderbird→

Read email, organise messages and manage calendars from your desktop.

100% free open-source (MPL 2.0). Unlimited accounts and mail storage.

TinyWow→

Create a PDF, add text and download the resulting document.

Free with ads · no daily or monthly limits stated · files processed online

todo.txt→

Manage a plain-text to-do list from the command line.

Free and open source (GPL-3.0 licence per GitHub).

Trilium Notes→

Organise a personal wiki with nested notes, links, attachments and searchable reference material.

Free open-source desktop app · no feature paywalls · optional server uses your own resources

Vikunja→

Organise tasks into lists and projects with reminders and recurring tasks.

Free self-hosted unlimited tasks/projects, views, reminders, repeating tasks, labels and sharing.

Wallabag→

Save web articles, organise them and read them later from your own server.

100% free open-source software (MIT). Unlimited articles and highlights.

WordCraft→

Write and edit documents on your desktop.

Free open-source desktop software; local hardware required. Alpha release.

Zotero→

Collect and annotate research, insert citations and generate bibliographies while you write.

Free local library · AGPL-3.0 · Free data sync · 300 MB hosted attachment storage

Zulip→

Organise team conversations into streams and focused topic threads.

Free and open source (Apache-2.0 licence per GitHub).

agent-skills→

Collection of verified agent prompts and workflows for automated refactoring, code review, and test generation.

MIT License · Free open engineering library

Aider→

Make conversational edits to a Git repository from the terminal.

Free open-source software · local Ollama models supported.

Apache DevLake→

Collect development-tool data and report engineering and delivery metrics.

100% free open-source (Apache-2.0). Unlimited team members and repositories.

Apache Superset→

Explore data with SQL queries, interactive charts and dashboards.

100% free open-source (Apache-2.0). Unlimited users and visualizations.

Appsmith→

Build internal dashboards and admin tools connected to databases and APIs.

Free open-source community edition. Unlimited self-hosted users.

Authentik→

Manage application sign-in and single sign-on through your own identity provider.

100% free open-source (GPLv3). Unlimited users, applications, and directories.

Auto.dev→

Use a hosted VIN decoding API for a small automotive project.

Free: 1,000 API calls/month · 5 requests/second · Hard stop · No card

Baserow→

Build database tables, forms and views without writing SQL.

Source published on GitHub under a custom/non-standard licence (GitHub shows no standard SPDX id); check terms for commercial use.

Beekeeper Studio Community→

Browse database tables and write SQL in a desktop client.

Free open-source Community Edition · commercial use allowed.

Beszel→

Monitor server and container CPU, memory and network history with alerts.

Free MIT software · self-hosted hub and agents.

Better Stack→

Check website uptime, publish a status page and investigate application logs and traces.

Personal projects free · 10 monitors & heartbeats · 1 status page · 3 GB logs + 3 GB traces, 3-day retention

Bifrost→

Route requests between local models and cloud providers.

Free core · self-hosted · own hardware/API costs

Biome→

Lint JavaScript and TypeScript projects locally and use findings as a CI gate.

Free MIT/Apache-2.0 software · local checks · no scan allowance or API bill

bolt.diy→

Build and preview web apps through chat using an AI provider you choose.

Free and open-source (MIT). Bring your own API keys (Ollama, OpenRouter, Anthropic, OpenAI).

Brevo→

Send signup confirmations, password resets and other transactional emails through an API or SMTP.

Free: 300 emails/day · 1 user · Brevo branding

Browser Use→

Build browser agents for multi-site research and information gathering in Python.

Free MIT library · local browser · model/API, hosting and managed browsers extra

BrowserOS neo→

Let your own AI agent navigate websites and work in your signed-in browser.

Free AGPL browser · bring your own agent/model · local hardware or paid model/API

Bruno→

Keep API request collections locally and run them without cloud sync.

Free open-source edition · 2 workspaces · local collections.

Bugsink→

Collect application errors using Sentry-compatible SDKs.

Hosted free: 15,000 events/month · 5,000 retained · one user.

BugSnag→

Monitor application errors and inspect diagnostic stack traces.

Free: one user · 7,500 events and 1 million spans/month.

Cachet→

Publish service incidents, maintenance notices and uptime information on a status page.

100% free open-source (BSD-3-Clause). Unlimited subscribers and metrics.

Carbon→

Turn source-code snippets into styled PNG or SVG images for tutorials, documentation and social posts.

Free browser editor · No account needed for code images · MIT source · No published export quota found

Centrifugo→

Deliver realtime messages to application clients over WebSockets or server-sent events.

100% free open-source (Apache-2.0). Unlimited connections and message throughput.

Chhoto URL→

Create branded short links with custom slugs, QR codes and basic hit counts.

Free MIT software · No link licence quota · Hosting, storage and domain extra

Chroma→

Store embeddings and retrieve related documents for an AI application.

100% free open-source (Apache-2.0). Unlimited local or self-hosted embeddings.

ClickHouse→

Store event data and run SQL queries for analytical reports.

100% free open-source (Apache-2.0). Unlimited data, queries, and nodes on your infrastructure.

Cline→

Use an agent to inspect files, edit code and run development commands.

Free open-source agent · local Ollama or LM Studio route.

Cloudflare Tunnel→

Expose a local web service through a tunnel without opening inbound ports.

cloudflared is open source; quick tunnels (trycloudflare.com) need no account.

code-server→

Edit code in a browser using VS Code running on a machine you control.

100% free open-source (MIT). Unlimited compute time on your own machines.

Colima→

Run container runtimes on macOS or Linux for local development.

Free open-source software (MIT). Unlimited usage.

Composio→

Connect agents to authenticated app tools with managed connections and tool execution.

Free Hobby: 100,000 calls/month · 50,000 triggers/month · 3 members · provider fees separate

ContextForge→

Bring your MCP and API tools together behind one self-hosted gateway.

Free Apache-2.0 software · own hosting & credentials · upstream APIs may cost

Continue→

Work through coding tasks with an IDE or terminal agent.

Free local-model route · own hardware and compatible model.

Coolify→

Deploy apps, databases and websites from Git to servers you control.

Free self-hosted software with no paywalled features. Supply your own server, storage and bandwidth; hosted management is paid.

Cube→

Define shared business metrics and serve them to analytics tools through APIs.

100% free open-source core (Apache-2.0). Unlimited metrics and queries.

CyberChef→

Decode, transform and inspect data using reusable browser-based recipes.

Free open source (Apache-2.0). Client-side in-browser or offline download.

DBeaver Community→

Browse relational databases, edit SQL and inspect table data.

Free Apache-licensed Community edition · local desktop app.

DbGate Community→

Query databases and edit table data with a visual client.

Free open-source Community Edition · desktop or self-hosted web.

DevToys→

Convert JSON/YAML, encode Base64, calculate hashes and compare text offline.

Free open-source desktop utilities · Windows, macOS and Linux.

Directus→

Manage SQL database content through an admin app and REST or GraphQL APIs.

100% free open-source core (GPLv3). Unlimited records, users, and API calls.

Dragonfly→

Cache application data through Redis- and Memcached-compatible interfaces.

100% free open-source Community Edition (BSL-1.1 converting to Apache-2.0). Unlimited operations on your hardware.

Drone CI→

Run automated build and delivery pipelines in containers.

100% free open-source Community Edition (Apache-2.0). Unlimited builds on your infrastructure.

dRPC→

Read Ethereum blocks and chain data through a hosted JSON-RPC endpoint.

Free public RPC · Registered free tier: 210M CU per 30 days · Rate limits apply

DuckDB→

Query CSV and Parquet files locally with SQL and save a reusable analytical database.

Free MIT engine · own CPU, RAM and disk · no hosted compute included

Dyad→

Build and preview small web apps through chat, with editable code on your computer.

Free core · Ollama or LM Studio · local hardware required

E2B→

Run agent code and repository commands in isolated Firecracker microVMs on your own Linux machine.

Free Apache-2.0 Runtime/Embed · Linux with KVM required · Hosting and model costs extra

Errbit→

Collect, group and inspect application exceptions on your server.

Free open-source self-hosted error tracking.

FastGPT Community→

Publish and embed a self-hosted knowledge-base chat assistant on your website.

Free self-hosted software · Local models or API key · Hosting extra

Flagsmith→

Control feature releases and remote configuration for groups of users.

100% free open-source (BSD-3-Clause) with unlimited seats and flags.

Forgejo→

Host Git repositories, review code and track project issues on your own server.

100% free open-source (GPLv3). Unlimited repositories, users, and organizations.

Gatus→

Define endpoint health checks and alerts in configuration files.

Free Apache-2.0 software · No per-monitor licence quota · Always-on hosting and storage extra

Gitea→

Host Git repositories, manage issues and review pull requests on your own server.

100% free open-source (MIT). Unlimited users, private repositories, and code reviews.

GitHub Desktop→

Review file changes, make commits and manage Git branches from your desktop.

Free and open source (MIT licence per GitHub).

Gitpod→

Start development workspaces from Git repositories with preconfigured environments.

Free open-source self-hosted edition or 50 free cloud workspace hours/month.

GlitchTip→

Collect application errors and investigate them with Sentry-compatible SDKs.

Free self-hosted software; pay for your server. Optional hosted Free: 1,000 shared events/month, unlimited projects and members.

Goose→

Automate development tasks with a local coding agent and tools.

Free open-source agent · local model route available.

Gotify→

Send push notifications from your own server to browsers and Android devices.

100% free open-source (MIT). Unlimited push notifications and devices.

Grafana→

Monitor metrics, search logs and explore traces with hosted dashboards.

Cloud Free · 10k active metric series · 50 GB logs + 50 GB traces/month · 14-day retention

Grafana OnCall→

Manage on-call schedules and route alerts to the people handling incidents.

100% free open-source (AGPLv3) or free cloud tier (3 users).

gretl→

Run regressions, time-series and panel analysis with a GUI or scripts.

Free GPL app · Windows, macOS & Linux · no analysis quota

GrowthBook→

Manage feature flags and run A/B experiments using your existing data.

100% free open source (MIT) self-hosted with unlimited seats, or free cloud tier for 3 members.

Headscale→

Coordinate a private network for compatible Tailscale clients on your own server.

100% free open source (BSD-3-Clause). Unlimited users, devices, and mesh nodes.

HeidiSQL→

Browse schemas, execute SQL and edit database records.

Free database client · Windows-first.

Helicone→

Track model requests and API costs in a self-hosted proxy.

Free open-source core · hosting + model/API costs

Highlight.io→

Replay frontend sessions and investigate errors with application traces.

100% free open-source self-hosted (Apache-2.0) or free cloud tier (500 sessions/mo).

Hoppscotch→

Send API requests, inspect responses and organise request collections.

Free and open source (MIT licence per GitHub). Web, desktop and CLI clients, with cloud, offline and self-hosted routes.

HTTPie→

Send HTTP requests and inspect API responses from the terminal.

Free and open source (BSD-3-Clause licence per GitHub).

httpYac→

Run API requests, assertions and scripts from local HTTP files.

Free CLI and VS Code extension · own API/provider costs

InsForge→

Build a small app with Postgres, authentication, file storage, functions and realtime.

Free · 500 MB database · 1 GB files · 5 GB bandwidth · pauses after 1 week inactive

Insomnia→

Send API requests, organise collections and run them locally.

Free Essentials · unlimited projects and collection runs · Git sync up to 3 users

jamovi→

Analyse spreadsheet data with a visual statistics interface built on R.

Free desktop analysis · Windows, macOS and Linux

JASP→

Run frequentist and Bayesian analyses through a desktop statistics interface.

Free desktop statistics · no analysis credit limit

Jitsu→

Collect event data and stream it into your data warehouse.

100% free open-source (MIT). Unlimited events on self-hosted instances.

Jupyter Notebook→

Run Python analysis in saved notebooks with outputs you can reopen and export.

Free BSD-3-Clause software · local kernels · own compute and storage

Keep→

Collect monitoring alerts, remove duplicates and coordinate incident responses.

100% free open-source (Apache-2.0). Unlimited alerts and integrations.

Keycloak→

Manage user sign-in, single sign-on and application access from your own server.

100% free open-source (Apache-2.0). Unlimited monthly active users (MAUs).

KeyDB→

Store and cache application data through a Redis-compatible server.

100% free open-source (BSD-3-Clause). Unlimited keys and commands on your own servers.

Kill Bill→

Manage recurring subscriptions, invoices and payment processing integrations.

100% free open-source (Apache-2.0). Unlimited invoices, accounts, and transactions.

Kodus→

Review pull requests against repository context and your own coding rules using a model you choose.

Free AGPL Community self-hosting · Any team size · Server and model costs extra

Kutt→

Create short links with custom domains, passwords and visit statistics.

100% free open-source (MIT). Unlimited links on self-hosted instances.

Lago→

Measure product usage and generate bills for subscriptions and usage-based plans.

100% free open-source (AGPLv3 / Apache-2.0). Unlimited billable events and customers when self-hosted.

lazygit→

Stage changes, review diffs and manage Git branches from the terminal.

Free and open source (MIT licence). No commercial seat restrictions.

LiteLLM→

Route model requests and track usage through one API.

Free core · self-hosted · hosting + model/API costs

llama-swap→

Switch local model servers behind a compatible API.

Free software · local model server + your hardware

MaxKB Community→

Embed a website knowledge assistant backed by your documents and web pages.

Free self-hosted · Unlimited users, agents and knowledge bases · Hosting/model costs extra

Meilisearch→

Add typo-tolerant search to a website or application.

100% free open-source (MIT). Unlimited queries, documents, and indexes.

Meld→

Compare files and folders, inspect changes and resolve text merge conflicts.

Free desktop software · GPL-2.0-or-later · Linux and Windows · No comparison quota

Metabase→

Explore business data with queries, charts and shared dashboards.

100% free open-source edition (AGPLv3). Unlimited queries and dashboards.

Monid→

Give an agent web search and rendered page reading through Monid’s TinyFish tools.

Free TinyFish search & page reading · account/API key required · other actions paid

MySQL Workbench Community→

Query and administer MySQL databases with visual modelling tools.

Free open-source Community Edition.

Nango→

Unified integration platform for continuous data sync and pre-built authentication with popular external APIs.

AGPL-3.0 License · Free self-hosted edition with unlimited syncs

Neon→

Run a small app on managed Postgres databases with separate development branches.

Free: 100 projects, each with 1 GB storage, 100 CU-hours/month and 5 GB egress. Unlimited members; no credit card required.

NetBird→

Connect devices in a private WireGuard network with central access management.

100% free self-hosted open source (BSD-3-Clause) with unlimited peers, or free cloud tier (up to 100 peers).

Netdata→

Monitor server and container health locally with live metrics and alerts.

Free self-hosted Agent for business use · own hardware/storage · Cloud business use is paid

Next.js SaaS Starter→

Start a Next.js app with sign-in, a database-backed dashboard and Stripe integration code.

MIT template · No licence fee · Development and service costs extra

NHTSA vPIC→

Decode a VIN into manufacturer, model, model year and basic vehicle attributes.

Free public API · No key · Batch maximum 50 VINs · Traffic controls apply

Novu→

Coordinate email, SMS, push and in-app notifications from one application workflow.

100% free open-source (MIT). Unlimited notifications and workflows on your own servers.

Open SaaS→

Start a web app with account sign-in, payment integration code and a database setup.

MIT source code · No template licence fee · Hosting and service costs extra

OpenCode→

Edit a codebase and run coding tasks with a local-model agent.

Free software · local Ollama route · hardware required.

OpenHands→

Use an AI agent to edit code, run terminal commands and work through development tasks.

Free open source platform (MIT). BYO API keys or run local LLMs.

OpenObserve→

Collect and search application logs on infrastructure you control.

Free AGPL core · own server, storage & backups · Cloud is a paid service

OpenSandbox→

Give agents isolated environments to run commands, manipulate files and execute code.

Free Apache-2.0 software · Docker/Kubernetes you operate · Compute and model costs extra

OpenSearch→

Index and search logs or documents and build analysis dashboards.

100% free open-source (Apache-2.0). Unlimited indexing, queries, and cluster nodes.

Pagefind→

Add full-text search to a static website using an index served with the site.

Free MIT software · No paid search API · Site hosting and bandwidth extra

pgAdmin→

Write SQL, inspect tables and administer PostgreSQL databases.

Free and open source (PostgreSQL licence). No seat licenses or database count limits.

Playwright→

Run scripted browser workflows on your own computer instead of renting browser sessions.

Free Apache-2.0 software · own computer or server · optional proxies & AI APIs extra

PocketBase→

Add a database, user accounts and realtime updates to a small app.

Free MIT software · self-hosted · own hardware or hosting costs

Podman Desktop→

Build and manage local containers and Kubernetes development environments.

Free open-source software (Apache 2.0). No commercial organization fees.

Portkey AI Gateway→

Proxy model requests with routing, retries and fallbacks.

Free MIT gateway · hosting + provider/API costs

Postal→

Send application email through SMTP or an HTTP API on your own infrastructure.

100% free open-source software (GPLv3). Unlimited emails, domains, and mail servers.

PR-Agent→

Generate pull-request reviews, change descriptions and improvement suggestions with your own model.

Free MIT software · Bring your own model · CI/hosting and model tokens extra

PublicNode→

Read Ethereum blocks and chain data through a hosted JSON-RPC endpoint.

Free public RPC · Shared service · No fixed per-user quota or SLA promised

Qdrant→

Store vectors and search for similar items with metadata filters.

100% free open-source (Apache-2.0) or free cloud cluster (1GB cluster).

R→

Run statistical analyses, regressions and charts locally.

Free open-source software · no usage quota · local hardware.

RAGFlow→

Build a document-grounded website assistant with a self-hosted workflow agent.

Free software · Self-hosted · Local models or API key

ray.so→

Create styled images of code snippets with syntax highlighting, backgrounds and padding for posts and documentation.

Free browser editor · No account needed for code images · MIT source · No published export quota found

REST Client for VS Code→

Send HTTP requests from version-controlled files inside VS Code.

Free extension · local request files · no request quota

Rollbar→

Track application errors with grouping and stack traces.

Free: 5,000 occurrences/month · 30-day retention.

RudderStack→

Collect product events and route them to a data warehouse or other destinations.

Free cloud plan (1M events/month free) or 100% free open-source (AGPLv3).

Ruff→

Check Python files and folders for common mistakes, with local fixes and CI exit codes.

Free MIT software · local Python checks · no scan allowance or API bill

Shlink→

Create short links on your domain and inspect visit statistics through a dashboard or API.

100% free open-source software (MIT). Unlimited short links and redirects.

SigNoz→

Collect application traces, logs and metrics in one self-hosted workspace.

Free Community software · own server and storage · at least 4 GB Docker memory

Soketi→

Send realtime application events through a Pusher-compatible WebSocket server.

100% free open-source (Apache-2.0). Unlimited concurrent connections.

Sourcetree→

Review commits, manage branches and resolve Git changes with a visual client.

Free (Atlassian).

statsmodels→

Fit statistical models and inspect regression results in Python.

Free Python library · own computer · coding required

Strapi→

Manage structured website content in an admin interface and deliver it through APIs.

100% free Community Edition (MIT). Unlimited content entries, locales, and API calls.

SuperTokens→

Add account sign-in and session management to your application.

Free open-source self-hosted edition (Apache-2.0) or free cloud tier (up to 5,000 MAUs).

Tabby→

Get code suggestions from an AI assistant running on infrastructure you control.

Source published on GitHub under a custom/non-standard licence (GitHub shows no standard SPDX id); check terms for commercial use.

The Odin Project→

Learn full-stack JavaScript through a structured curriculum and practical projects.

Entire curriculum free · Self-paced · Computer and optional project hosting extra

Tolgee→

Translate application text and edit translations in the context of your web app.

100% free open-source Community Edition (Apache-2.0). Unlimited translations and contributors.

ToolJet→

Build internal tools and dashboards using visual components and data connections.

Open-source community edition under AGPL-3.0. Free forever for self-hosting.

Typesense→

Add search-as-you-type results with typo tolerance to a website or app.

100% free open-source (GPLv3). Unlimited search queries and records.

Uptime Kuma→

Check service uptime and publish status pages from your own server.

Free open-source software · bring a server and maintain it.

Visual Studio Code→

Edit JavaScript and TypeScript for freelance or commercial projects.

Free core editor for commercial use · no account required.

VSCodium→

Write, navigate and debug code in a desktop editor based on VS Code.

Free and open source (MIT licence per GitHub).

Weblate→

Manage software translations with review tools and Git integration.

100% free open-source (GPLv3). Unlimited strings, languages, and translators.

WezTerm→

Run terminal sessions in tabs and panes across your desktop machines.

Source published on GitHub under a custom/non-standard licence (GitHub shows no standard SPDX id); check terms for commercial use.

WinMerge→

Compare and merge text files and folders to see and resolve differences.

Free desktop software · GPL-2.0 · Windows · No comparison quota

Woodpecker CI→

Run build and deployment pipelines inside containers connected to your Git projects.

100% free open-source (Apache-2.0). Unlimited build pipelines, minutes, and concurrent agents.

YOURLS→

Create branded short links on your own domain with custom slugs and an API.

Free MIT software · No monthly link licence quota · Hosting, database and domain extra

Zed→

Write and navigate code in a desktop editor with collaborative editing.

Source published on GitHub under a custom/non-standard licence (GitHub shows no standard SPDX id); check terms for commercial use.

zrok→

Share a local web service through a public or private tunnel.

Free and open source (Apache-2.0 licence per GitHub).

Activepieces→

Connect app actions and automate workflows with a visual builder.

Community edition free (MIT)

Actual Budget→

Plan spending with envelope budgets, transaction imports and financial reports.

Free local desktop/manual budgeting; optional sync hosting and bank-connectivity providers can cost extra.

Ahrefs Free→

Audit your own website and inspect its backlinks and organic keywords.

Free · verified sites · 5,000 crawl credits/project/month · limited Site Explorer reports

Akaunting→

Manage invoices, bank reconciliations and accounting reports for a small business.

Free self-hosted core; optional paid apps and the hosted service are separate. GitHub shows no standard SPDX licence id — check terms for commercial use.

Beancount→

Record double-entry accounts in plain-text files and generate financial reports.

Everything (plain-text double-entry)

Bing Webmaster Tools→

Research Bing keywords, inspect backlinks and scan your site for SEO issues.

Free hosted tools · site verification · scan and API quotas apply

Buffer→

Queue and publish posts across a few social channels.

Free · 3 channels · 10 queued posts per channel

Buttondown (free plan)→

Write email newsletters and send them to a subscriber list.

Free for your first 100 subscribers.

Chatwoot→

Manage customer conversations through website chat and shared support inboxes.

Community edition free to self-host

CISO Assistant Community→

Map compliance controls and manage risk on your own server.

Free Community edition · Unlimited users · Self-hosting required

Dolibarr→

Manage invoices, customers, orders and business accounts.

Free open-source ERP and CRM · self-hosted.

Easy Digital Downloads→

Sell downloadable files through your own WordPress site.

Free plugin · 3% Stripe/PayPal fee + processing + hosting

Eramba Community→

Maintain risks, controls and compliance requirements on your own server.

Free Community core · No user, time or data limit · Hosting extra

ERPNext→

Run business accounting alongside invoices, purchasing and inventory.

Free open-source self-hosted edition · infrastructure separate.

EspoCRM→

Manage customer records, sales opportunities and follow-up activities.

Everything core

Fedica→

Plan and publish posts across twelve social networks.

Free · 1 account per network · 10 posts queued at a time

Fider→

Collect feature requests, comments and votes in a shared feedback board.

Free self-hosted software (AGPL-3.0); hosting costs extra. Optional hosted Free has a fair-use limit of 250 feedback items.

Firefly III→

Track accounts, expenses, income, categories and budgets, with imports and financial reports.

Free self-hosted income, spending and budgets; own server and bank-import services may cost extra.

Formbricks Community→

Create link surveys and collect customer feedback.

Free open-source Community Edition · self-hosted.

Fourthwall→

Create a storefront for digital downloads and memberships.

Free storefront · 5 GB digital storage · 5% per sale + processing

FreeScout→

Manage support emails and shared mailboxes on your own server.

100% free open-source core (AGPLv3). Unlimited agents and conversations.

GnuCash→

Track double-entry accounts, income, expenses and small-business books.

Free open-source desktop accounting software.

GoatCounter→

Measure website traffic and referral sources with simple analytics reports.

Free for personal use/self-host

Google Ads Editor→

Create and bulk-edit Google Ads campaigns on your computer, then review and upload changes.

Free desktop app · Google Ads account · Advertising spend paid separately

Google Alerts→

Get email alerts for new indexed mentions of your brand, competitors or topics.

Free hosted alerts · Google account · indexed web results only

Google Analytics 4→

Track campaign sources and website conversions with Google Ads reporting.

Free Standard · 30 key events/property · Google account required

Google Search Console→

Find Google search queries, falling clicks and indexing problems for your own site.

Free hosted service · verify site ownership · reports and API have limits

HeyForm→

Build conversational forms and collect responses.

Free open-source self-hosted edition.

Keila→

Manage lists, subscription forms and newsletter campaigns on your server.

Free self-hosted software · hosting and email delivery separate.

Kit (free plan)→

Publish email newsletters with subscriber tags, forms and landing pages.

Free up to 10,000 subscribers · unlimited broadcasts.

KMyMoney→

Track accounts, spending, budgets and investments in a local ledger.

Free desktop finance manager · own files and backups

Ko-fi→

Sell digital downloads through a hosted creator shop.

$0/month · 600 products · 5% per sale + processing

KWatch→

Receive email alerts for a small set of Reddit and Hacker News keywords.

Free hosted plan · 2 Reddit + 2 Hacker News keywords · no X alerts

LedgerSMB→

Keep double-entry books with invoices, receivables and payables.

Free open-source accounting software · self-hosted PostgreSQL.

LimeSurvey Community→

Create surveys with branching logic and collect responses.

Free Community Edition · your own PHP/database hosting.

LinkStack→

Create a profile page that brings your important links together.

Everything

LittleLink→

Create a profile page for your projects, websites and social links using editable HTML.

Free MIT template · No link quota · Static hosting separate

MailCheap (self-hosted)→

Write, schedule and send newsletters on your own infrastructure.

Free self-hosted software (AGPL-3.0). Hosting and email delivery cost extra; Amazon SES starts around $0.10/1,000 emails. Hosted Cloud is paid.

MailerLite (free plan)→

Create email newsletters, signup forms and landing pages for your audience.

Free up to 250 subscribers and 2,500 emails/month, 2 seats, MailerLite logo on emails.

Manager Desktop→

Manage small-business accounts, invoices and financial reports.

Desktop edition is free forever · single user.

Matomo→

Measure which campaigns lead to website goals and ecommerce revenue.

Free self-hosted core · No vendor data cap · Hosting extra

Mautic→

Send email campaigns with segments and marketing automation.

Free self-hosted software · server and SMTP costs separate.

Medusa→

Build an online store with product, cart and order-management APIs.

Everything (MIT)

Meta Ad Library→

Research active Facebook and Instagram ads by advertiser or keyword.

Free public manual search · Meta ads only · No paid API or hosting needed

Meta Ads Manager→

Create and edit Meta campaigns, monitor performance and turn ads on or off.

Free Meta app · Account required · Advertising spend paid separately

Microsoft Clarity→

See how visitors use a website through heatmaps and session recordings.

Hosted behaviour analytics free · No traffic cap · Privacy/consent setup required

Mixpost Lite→

Schedule and publish social posts from your own server.

Free self-hosted · Facebook Pages, Mastodon and X · hosting extra

Money Manager Ex→

Track income, expenses and budgets without a finance subscription.

Free local personal finance · desktop and Android apps

n8n→

Connect apps and automate multi-step workflows with a visual editor and code.

Self-host community edition free

NextMe→

Manage a staff-entered waitlist and send guests a text when their turn approaches.

Free plan · 1 user · 100 SMS/month · self-check-in is paid

NFX Signal→

Find investors who match your startup and identify potential introduction paths.

Free investor discovery and fundraising tracking · Hosted by NFX

Node-RED→

Connect devices, APIs and events using visual flows and custom code.

Free open-source software (Apache 2.0). Unlimited flows and executions.

Notikey→

Receive email alerts for keywords in the Reddit communities you choose.

Free Basic · 1 monitor · 5 keywords · 3 subreddits · daily email

OpenBB→

Explore financial data and build charts for market analysis.

Free Community Workspace · Open source Open Data Platform (Python) · No subscription for personal research

OpenMarket→

Track market prices, organise watchlists and inspect order flow in browser charts.

Free · 16 charts per layout · 10 workspaces · account needed to save

OpenReplay→

Replay website sessions to investigate user journeys and reproduce bugs.

Open-source self-hosted community edition. Free forever on your servers.

OpenVC→

Find startup investors by sector, stage and cheque size, then organise your outreach.

Free investor search and core founder tools · Premium features paid

OpnForm→

Create forms and collect submissions with conditional fields.

Free open-source self-hosted core · forms and submissions uncapped by software.

Payhip→

Sell digital downloads from a hosted creator store.

No monthly fee · 5% per sale + processing

Plausible Community Edition→

Compare campaign sources by website goal completions and conversion rates.

Free self-hosted software · 2 GB RAM minimum · Hosting extra

PostHog→

Connect campaign and referral sources to website signup or conversion events.

Hosted free tier · 1M analytics events/month · 1 project · 1-year retention

Publer→

Schedule and publish across three social accounts.

Free · 3 accounts · 10 queued posts per account

Saleor→

Build a storefront using commerce APIs for products, checkout and orders.

Core free (BSD)

Screaming Frog SEO Spider (free)→

Crawl a small website to find broken links, redirects and missing metadata.

Free desktop edition · up to 500 URLs per crawl · repeat crawls allowed

SerpBear→

Track search-result positions for keywords and websites you choose.

100% free open-source (MIT). Unlimited tracked domains and keywords.

SimpleRisk Core→

Maintain a risk register, policies and control tests on your own server.

Free self-hosted Core · Unlimited users forever · Hosting extra

Social Champ→

Schedule social posts across three connected accounts.

Free · 3 accounts · 15 posts queued at a time

tawk.to→

Chat with website visitors and answer customer support questions.

Live chat free (ad-supported branding)

TikTok Creative Center→

Find TikTok ad examples, hooks and trends for your next creative brief.

Free public research · Five ads logged out · Free login for more Top Ads

Twenty→

Track customer contacts, companies and sales opportunities in a CRM.

Self-host free (AGPL)

Umami→

Measure tagged campaigns against website conversion events on your own server.

Free self-hosted software · No vendor event cap · Hosting extra

Waitlist App→

Run a walk-in waiting list on one device, with guest names, party sizes and a downloadable backup.

Free offline queue · no published entry cap · one device · no account

Windmill→

Turn scripts into scheduled jobs, workflows and internal web tools.

Free open-source community edition (AGPL-3.0). Unlimited local executions.

WooCommerce→

Run your own WordPress store with downloadable products.

Free core · own hosting + processing · paid extensions optional

Zammad→

Track customer support requests and organise conversations into helpdesk tickets.

100% free open-source (AGPLv3). Unlimited agents and tickets.

CapRover→

Deploy containerised apps and manage their domains and HTTPS on your server.

Free open-source self-hosted PaaS. You supply your own server and infrastructure; no paid software plan required.

Cloudflare Pages→

Publish static websites from Git with HTTPS and custom domains.

Free static hosting · 500 builds/month · 100 projects/account · 100 custom domains/project

CyberPanel→

Manage websites, domains and hosting services through a server control panel.

100% free open-source version (unlimited domains and workers on OpenLiteSpeed).

Dokku→

Deploy and manage containerised applications on a server you control.

Free and open source (MIT licence per GitHub). Self-hosted: you supply the server.

Dokploy→

Deploy applications and databases from Git or containers to your own servers.

Free open-source self-hosted deployment platform. You supply your own server, storage and bandwidth; managed hosting plans are separate.

Ghost (self-hosted)→

Publish articles, manage memberships and send newsletters from your own server.

Free and open source (MIT licence per GitHub). Self-hosted: you supply the server, domain and email deliverability — drop-in newsletter sending expects Mailgun per Ghost docs.

GitHub Pages→

Publish static websites from a GitHub repository with HTTPS.

Free static hosting from a public repo with a custom domain and TLS. Soft limits apply (1 GB site, 100 GB/month bandwidth).

GrapesJS→

Build editable web-page templates with a visual drag-and-drop editor.

100% free open-source software (BSD-3-Clause). Unlimited usage and pages.

HelioHost Johnny→

Host a small website with PHP, databases, a subdomain and HTTPS.

Free Johnny · 1,000 MB total storage · 5 domains · capacity-limited signups

Hugo→

Build a static website from content files and reusable templates.

Everything

InfinityFree→

Host a small PHP and MySQL website or a simple WordPress blog.

Free · 5 GB storage · HTTPS · browser-only; no REST APIs or webhooks

listmonk→

Manage subscriber lists and send newsletter campaigns from your server.

Free self-hosted software · hosting and SMTP delivery cost extra.

Netlify Free→

Publish a small static site from Git with HTTPS and a hosted subdomain.

Free · 300 shared credits/month · sites pause at cap · domains & APIs extra

opensend.cc→

Send transactional emails through an API on infrastructure you control.

Free open-source (Apache-2.0). Unlimited emails (backed by AWS SES at $0.10/1k).

Render Static Sites→

Publish a static portfolio, blog or documentation site from Git with HTTPS.

Free Hobby · 5 GB bandwidth + 500 build minutes/month · 2 custom domains/workspace

Silex→

Design static websites visually and publish the resulting pages.

100% free open-source software (GPLv3). Unlimited sites.

Substack→

Publish newsletters and web posts and manage a subscriber audience.

Free-to-read publishing: no subscriber-count charge or email-send limit; paid subscriptions incur 10% plus processing fees.

Webstudio→

Build static portfolio and brochure websites visually and export or publish them.

Free subdomain; unlimited projects/pages; 250 MB assets, 50 assets/project; 300 form submissions/month; 10 publishes/day.

WordOps→

Deploy and manage WordPress sites with server, database and HTTPS configuration.

100% free open-source (MIT). Unlimited WordPress sites on your server.

WordPress.org (self-hosted)→

Build and publish websites or blogs with a block editor and installable themes and plugins.

Free GPL software; you supply hosting and a domain.

AppCleaner→

Uninstall Mac apps and remove their associated support files.

Everything

Astuto→

Collect customer suggestions and let users discuss and vote on them.

Self-host free

Cyberduck→

Upload, download and organise files on remote servers and cloud storage.

Free direct download · GPL software · Mac and Windows · Optional donation

Double Commander→

Manage files in two panes with archives, search and batch rename.

Free open-source desktop file manager · local files.

FileZilla Client→

Upload and download files between your computer and FTP or SFTP servers.

Free desktop Client · Open source · Windows, Mac and Linux · Server costs separate

FreeCommander→

Manage Windows files in two panes with tabs, batch renaming and archive tools.

Free for personal use freeware (32-bit edition).

GrandPerspective→

Find the files taking up disk space using a visual map of their sizes.

Free SourceForge download · GPL software · macOS · App Store edition paid

Kap→

Record your Mac screen and export the result in different video formats.

Free open source (MIT); macOS 12 or later.

Kopia→

Schedule encrypted file backups and restore snapshots of folders.

Free GUI/CLI; use your own disk, NAS or storage account.

LocalSend→

Send files and folders between nearby phones and computers over your local network.

Free local transfers · Apache-2.0 · Same network · No account or vendor transfer quota

LogChimp→

Collect product feedback and share a roadmap with your users.

Self-host free

Marp→

Turn Markdown documents into presentation slides.

100% free open-source (MIT). Unlimited slides.

OmniDiskSweeper→

Find large files and folders on your Mac by sorting disk usage from largest to smallest.

Freeware · macOS · No licence key or scan quota · Closed source

Papermark→

Share documents and pitch decks with access controls and page-level viewing analytics.

Free tier with custom links or 100% free self-hosted open-source (Apache-2.0).

PDF24 Creator→

Merge, split, compress and OCR PDFs offline.

Free for private and business use · no usage restrictions.

PDF4QT→

Annotate PDFs, fill forms and compare documents on your desktop.

Free MIT desktop toolkit · Windows and Linux.

Pearcleaner→

Remove Mac applications and find their leftover files.

Everything (app uninstaller)

restic→

Back up files with encryption and restore earlier versions from your chosen storage.

Free backup software; capacity limited by your own local/remote storage.

reveal.js→

Build and present slide decks using HTML or Markdown.

100% free open-source (MIT). Unlimited presentations.

ScreenToGif→

Record your screen, webcam or drawing board and edit the captured frames.

Free open source (MS-PL); Windows desktop application.

Slidev→

Create developer presentations from Markdown with code examples and slides.

100% free open-source (MIT). Unlimited decks.

Squoosh→

Compress images and compare format and quality settings in your browser.

Completely free and open source; images processed locally in the browser.

Syncthing→

Keep folders in sync between your own computers, without a storage subscription.

Free MPL-2.0 software · Own devices and disk space · No hosted storage included

Tech Interview Handbook→

Prepare for coding and behavioral interviews with a structured study guide.

Free hosted guide and study plans · no reading quota advertised · no paid API or hosting required

Toolscase PDF→

Convert, merge, split and edit PDFs with browser-based utilities.

100% free with no account, file size walls, or daily limits.

Algo VPN→

Set up a personal VPN server on infrastructure you control.

100% free open-source (AGPLv3). Unlimited connected devices on your own VPS.

Bitwarden→

Store and sync passwords across your devices.

Free unlimited passwords and devices · sharing with one other person.

ClamAV→

Scan files and email attachments for malware using local antivirus tools.

Everything

FraudLabs Pro→

Screen low-volume orders with a fraud score, basic validation rules and manual review.

Free Micro · 500 queries/month · Sales below US$25,000/month · 5 rules

Infisical→

Store application secrets centrally and deliver them through the CLI and integrations.

Free hosted · 5 human + machine identities combined · unlimited projects · 10 syncs

IPQualityScore→

Screen IP addresses for proxy, VPN and abuse risk before accepting an account or order.

Free hosted API · 1,000 credits/month · Account and API key required

KeePass→

Organise passwords in an encrypted vault with auto-type.

Free open-source password manager · Windows-first.

KeePassXC→

Keep passwords in a local encrypted vault with browser integration.

Free open-source desktop password manager.

Microsoft Defender (built-in)→

Scan a Windows computer for malware and manage its built-in security protection.

Included with Windows

OpenBao→

Run your own application-secret store with policies, API access and workload authentication.

Free open-source software · own server, storage, backups and administration

Outline VPN→

Set up a VPN server and share access through managed connection keys.

100% free open-source (Apache-2.0). Unlimited data transfer within your VPS bandwidth limit.

Passbolt Community→

Store and share passwords through your own password-manager server.

Free open-source Community Edition · self-hosting required.

Password Safe→

Store credentials and generate passwords in a local encrypted safe.

Free open-source app · Windows and Linux packages.

Proton VPN (Free)→

Connect your devices through a hosted VPN for private internet access.

Free plan: 1 device, no ads, no logs, unlimited bandwidth, 'free forever' (protonvpn.com/free-vpn); country choice and extra devices are paid.

Vaultwarden→

Sync password vaults through your own server using compatible Bitwarden clients.

100% free open-source (AGPLv3). Unlimited vaults and organizations on your own server.

WireGuard→

Create encrypted VPN connections between your devices and servers.

Free and open source; you supply your own server.

AnythingLLM→

Embed a chatbot that answers from your workspace documents.

Free software · Docker · Your hardware or API key

Dify Community Edition→

Build a knowledge chatbot and embed it on your website.

Free software · Self-hosted · Local models or your API key

Fooocus→

Generate images and enhance masked portrait details locally with SDXL.

Free GPL-3.0 software · Own GPU required · SDXL models; licences vary

Hermes Agent→

Run a personal agent for messaging, files, memory and scheduled tasks on your own server.

Free open-source software · own model or local hardware · paid tools optional

InvokeAI→

Generate images and edit selected areas of artwork with Stable Diffusion workflows.

Free and open source (Apache-2.0 licence per GitHub).

Jan→

Chat with local models for private drafts, notes and small code questions.

Free Apache-2.0 desktop app · own hardware · model licences vary

LibreChat→

Chat with local models or connected AI providers through an interface you host.

MIT software · Local models need hardware · Cloud APIs and hosting extra

LivePortrait→

Animate a single portrait into a talking, expressive video locally with an open-weights model.

Free open-weights model that runs on your own hardware. Code licence is custom (no standard SPDX id) — check terms; the InsightFace dependency is non-commercial.

MausBot→

Run personal bots with computer tools using your existing model accounts.

Free open-source app · own model account required · model costs apply

MusicGen (AudioCraft)→

Generate music from text prompts using local audio models.

Free and open source (MIT licence per GitHub).

Ollama→

Prompt a local language model to rephrase sentences/paragraphs, improve tone or grammar, and draft replies. Paste text and review the output.

MIT runtime software with no local request quota. Download a model and use own RAM/GPU/CPU/disk/electricity. Cloud models/subscriptions are separate and not the qualifying route. Each model has separate licence/usage terms.

Open WebUI→

Chat with local models or connected AI providers through a browser interface.

100% free open-source software (MIT licence). Self-hosted with unlimited chats.

Perplexica→

Search the web and gather answers with an AI-assisted research interface.

100% free open-source software under the MIT licence.

SearXNG→

Search several search engines from one interface on a server you control.

Free software (AGPL-3.0). Free to use on public instances or self-host.

Alison Six Sigma Courses→

Learn Six Sigma concepts through online course material.

Free learning and assessments · Account required · Optional certificates cost extra

Anki→

Study flashcards using spaced repetition and review schedules.

Desktop/Android free

Audiobookshelf→

Organise audiobooks and podcasts and stream them from your own server.

Self-hosted player for audiobooks you own

CSSC Free Self-Study Guides→

Study Lean Six Sigma from freely downloadable full-length training manuals.

Free learning manuals · No account · Certification exams and coaching extra

freeCodeCamp→

Learn web development through coding lessons, projects and practice exercises.

Courses, projects and certifications free · No trial expiry

Insight Timer→

Listen to guided meditations and use a timer for your own practice.

Huge free meditation library

Khan Academy→

Study school subjects through lessons, practice exercises and progress tracking.

Everything

Language Transfer→

Learn a language through guided audio lessons and spoken practice.

Everything (audio courses)

LibriVox→

Listen to public-domain audiobooks recorded by volunteers.

Free public-domain audiobooks

Medito→

Follow guided meditations and mindfulness exercises.

Everything, no paywall

MIT OpenCourseWare→

Study university subjects using MIT course notes, lectures and assignments.

Everything

Open Library→

Find books and borrow eligible digital editions through an online library.

Borrowing free with account

Safe Driving for Life→

Practise official DVSA car multiple-choice mocks without buying a revision app.

Free browser mock tests · Two car practice tests · Paid full revision course

Standard Ebooks→

Download and read carefully formatted public-domain ebooks.

Everything

TheoryTest.org.uk→

Practise car theory questions with explanations and timed mock tests.

Free browser mock practice · 50 questions per mock · Ads · Paid extras

FabForm→

Collect submissions from static website forms through a hosted endpoint.

Free tier with monthly submission allowance, email notifications, and spam protection.

Formspree→

Collect website form submissions through a hosted endpoint and email notifications.

Free plan: 50 submissions per month, unlimited forms, spam filtering.

Countly→

Track product events and analyse user journeys across web and mobile apps.

100% free community edition for self-hosting (AGPL-3.0 licence per GitHub).

JSON Formatter→

JSON formatting and validation

free without an account