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Tangent vs Beaver Notes: catalog facts
Tangent	Beaver Notes
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the MIT licence, supported by sponsors.
Windows, macOS, Linux	macOS
Notes are plain Markdown files on your own disk Sliding panels and a branching map for following linked notes	Notes stay on your device with no account No telemetry or AI features
No built-in sync or mobile app mentioned Smaller community than Obsidian or Logseq	No built-in cloud sync; you arrange syncing yourself Mobile app still in beta
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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