Open-source tool library
Filter open-source tools and software by use case, platform, deployment, and open-source status.
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excalidraw
An open-source virtual whiteboard for sketching hand-drawn style diagrams with real-time collaboration.
excalidraw · Active in the last 30 days
cal.diy
An open-source scheduling platform for personal self-hosting, with booking pages and calendar management; the project explicitly advises against production use.
calcom · Active in the last 30 days
macro
A unified workspace integrating email, team chat, CRDT docs, tasks, CRM, and AI agents into a single graph.
macro-inc · Active in the last 30 days
massing
Open-source, self-hosted, IFC-native AEC platform featuring in-browser BIM modeling, a general contractor portal, and development proforma tools.
ibuilder · Active in the last 30 days