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AFFiNE Community vs Heptabase: catalog facts
AFFiNE Community	Heptabase
Free The open-source software is available without a license fee. Hosting, hardware and…	Paid Paid subscription, no permanent free tier mentioned.
Windows, macOS, Linux, Self-hosted, Web	Windows, macOS, Web
Offers a self-hostable community edition with linked workspace content.	Whiteboard and card format suits visual thinkers and complex research Cross-platform availability across desktop and web
Cloud services and enterprise offerings have separate terms.	Paid subscription required to use Visual, card-based workflow takes longer to set up than plain text notes
Downloadable app, Self-hosted	Downloadable app, Web application
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.