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Ekphos vs nb: catalog facts
Ekphos	nb
Free Open-source software under the MIT license.	Free Free and open source.
Command line	Windows, macOS, Linux, Command line
Wiki links with autocomplete and a graph view Fuzzy file search and full-text search	Plain text notes with Git-backed versioning and sync Bookmarking and archiving alongside notes
In early development Inline image previews need a compatible terminal	Terminal-first workflow; the web interface runs locally Windows needs WSL, MSYS or Cygwin
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: AGPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 23, 2026

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