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Foam vs SilverBullet: catalog facts
Foam	SilverBullet
Free Free and open source with no subscription.	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, macOS, Linux	Self-hosted, Web
Notes stored as standard Markdown files Wikilinks, backlinks, embeds and graph view	Combines live previews with queries and programmable extensions.
Requires Visual Studio Code No dedicated mobile app	Requires running and maintaining your own instance.
Downloadable app	Self-hosted
Open source	Open source
License not stated	License: MIT
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 23, 2026	Official website Full listing and sources Checked September 22, 2026

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