Compare software

LemmaTriliumNext Notes
Free

Free and open source under the GPL-3.0-or-later licence, with optional donations.

 Free

Free and open source under the AGPL 3.0.

Linux Windows, macOS, Linux, Web, Self-hosted
  • Inline math entry with LaTeX-like autocomplete
  • Wiki-style linking with backlinks
  • Cloning puts one note in several places without copying it
  • Rich text, code notes, canvases, Mermaid diagrams and relation maps
  • Linux only
  • No sync described on the homepage
  • Notes live in a database, not plain files, so lock-in is real
  • The interface is dense and takes a while to get comfortable with
Downloadable app Downloadable app, Self-hosted
Open source Open source
License: GPL-3.0-or-later License: AGPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 1, 2026

Checked September 21, 2026

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