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Tangent vs Marknote: catalog facts
Tangent	Marknote
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the GPL-2.0-or-later licence.
Windows, macOS, Linux	Windows, macOS, Linux
Notes are plain Markdown files on your own disk Sliding panels and a branching map for following linked notes	Notes stored as plain Markdown files you own Rich text editing with an optional source mode
No built-in sync or mobile app mentioned Smaller community than Obsidian or Logseq	No built-in sync between devices Fewer features than larger knowledge-base apps
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-2.0-or-later
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.