A directory of open-source and free alternatives to the apps you pay for.

Serve local mock APIs with JSON responses, request-body rules and delayed errors, then reuse saved definitions.

Free local desktop app and CLI · MIT · No vendor call quota · Own computer or hosting

Automated, privacy-first time and application tracking with local data storage and web dashboard.

Free and open source (MPL-2.0).

Web interface for Beancount double-entry accounting with balance sheets, income statements, and charts.

Free and open source (MIT).

Cross-platform digital audio workstation with piano roll, synth plugins, beat/bassline editor, and mixer.

Free and open source (GPL-2.0).

Generate chart images and QR codes on demand from Chart.js configs via web API.

Community: zero-cost charts/QR codes, no watermarks, shared-server rate limits (pricing gives no numeric cap), AGPLv3. Self-hosting needs own compute.

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

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

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

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

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

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.