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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Overleaf
Overleaf (Digital Science) · LaTeX & typesetting
Collaborative online LaTeX editor with real-time co-editing, templates and reference-manager sync, available as a hosted service and an AGPL self-hosted edition
AGPL-3.0-onlyFreemiumPaidSelf-hostedNov 2, 2026
Zed
Zed Industries · IDEs & editors
Native, GPU-rendered code editor written in Rust by Zed Industries, with built-in collaboration, language servers and optional AI assistance
GPL-3.0-or-laterOpen sourceFreeLocalNov 2, 2026
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