# Private and open-source alternatives to FigJam

1. [draw.io](https://privacyratings.com/diagrams/draw-io/): B (80/100). An open-source diagramming app for flowcharts, UML, network and architecture diagrams that runs in the browser or as a desktop app, and saves files to the device or to a storage service the user chooses.
2. [Mermaid](https://privacyratings.com/diagrams/mermaid/): B (80/100). An open-source JavaScript library that renders flowcharts, sequence, class, Gantt and other diagrams from Markdown-like text definitions. It is built into many documentation tools and code hosting sites.
3. [Excalidraw](https://privacyratings.com/diagrams/excalidraw/): C (65/100). An open-source virtual whiteboard for sketching hand-drawn style diagrams in the browser. Drawings are stored locally, and shared links and live collaboration are end-to-end encrypted. A paid hosted workspace, Excalidraw+, is also offered.
4. [Mural](https://privacyratings.com/diagrams/mural/): F (34/100). An online visual collaboration whiteboard for workshops, brainstorming, diagrams and planning, with templates, facilitation tools and AI features, plus desktop and mobile apps.
5. [Whimsical](https://privacyratings.com/diagrams/whimsical/): F (31/100). An online workspace for flowcharts, mind maps, wireframes and diagrams on shared boards, with real-time collaboration, AI generation and desktop apps.
6. [PlantUML](https://privacyratings.com/diagrams/plantuml/): F (30/100). An open-source Java tool that generates UML and other diagrams, such as sequence, class, activity, Gantt and mind maps, from plain-text descriptions. It runs locally or through a public or self-hosted rendering server.
7. [tldraw](https://privacyratings.com/diagrams/tldraw/): F (29/100). A collaborative infinite-canvas whiteboard for sketching and diagramming in the browser, with optional accounts for saving and sharing files. It is built on the tldraw SDK, which developers can embed in their own apps.
8. [yEd](https://privacyratings.com/diagrams/yed/): F (25/100). A free desktop diagram editor from yWorks for flowcharts, network diagrams, UML and org charts, known for its automatic layout algorithms. A browser version, yEd Live, is also available.

Source: https://privacyratings.com/alternatives/figjam/