Excalidraw
Excalidraw · Design & prototyping
Open-source virtual whiteboard for hand-drawn-style diagrams with live collaboration, embeddable as a React component, plus a hosted Excalidraw+ service
MITOpen sourceFreeLocalSelf-hostedNov 2, 2026
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Tailwind CSS
Tailwind Labs · Web frameworks & UI
Utility-first CSS framework from Tailwind Labs that styles markup with composable class names and generates only the CSS a project uses
MITOpen sourceFreeLocalNov 2, 2026
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