Nextcloud + Deck
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Excalidraw
Open-source virtual whiteboard
★ Stars134k134,170 on GitHub
Last commit18 Oct 2026
LicenceMITSPDX, from the repository
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From GitHub, fetched 19 Oct 2026.
Excalidraw is an open-source virtual whiteboard for sketches and diagrams. Self-host or use the public instance for classroom brainstorming.
Free alternative to
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