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SilverBullet vs NoteDiscovery: catalog facts
SilverBullet	NoteDiscovery
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the MIT license.
Self-hosted, Web	Web, Self-hosted
Combines live previews with queries and programmable extensions.	Keeps notes in plain Markdown files Includes search, wikilinks, and graph browsing
Requires running and maintaining your own instance.	Designed to run on a server you provide
Self-hosted	Web application, Self-hosted
Open source	Open source
License: MIT	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 22, 2026	Official website Full listing and sources Checked October 8, 2026

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