ExcalidrawTurn rough ideas into diagrams, wireframes and sketches.
Free editor. No account or drawing quota.
Design & creative
Archify
Free optionOpen sourceLocal
Turn system descriptions and workflows into interactive diagrams you can share as HTML or export as images.
What you can use it for
Turn system descriptions and workflows into interactive diagrams you can share as HTML or export as images.
- Keep diagrams as self-contained HTML with editable JSON source.
- Explore relationships and export diagrams without a hosted diagramming subscription.
Workflow coverage and comparison notes
Create and share structured architecture and workflow diagrams beyond a limited hosted diagram allowance, using local authoring and self-contained HTML. Does not replace Lucidchart's collaborative editor, document imports or entire template library.
Before you switch
Replaces structured architecture and workflow diagramming only. Requires local Node.js and a compatible coding agent; agent subscriptions, inference, hosting and hardware are separate costs. It is not a drag-and-drop editor or a hosted collaboration service, and does not import all Lucidchart documents. Export formats depend on browser/tooling. Validation checks the authored diagram, not the actual behaviour of the depicted system.
Alternatives to these paid apps
Each comparison covers the workflow described above, rather than every paid feature.