Open-source Design & Whiteboards software

A virtual whiteboard for sketching hand-drawn style diagrams, available as a web app and as an embeddable React component.

A browser-based design and prototyping tool where designers and developers work on the same files, with SVG as its native format.

A diagramming tool for flowcharts, network and UML diagrams that runs in the browser or as a desktop app and lets you choose where files are stored.