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MindForgerLemma
Free

The open-source software is available without a license fee. Hosting, hardware and…

 Free

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

Windows, macOS, Linux Linux
  • Combines writing with connections between related notes.
  • Inline math entry with LaTeX-like autocomplete
  • Wiki-style linking with backlinks
  • Its workflow requires familiarity with Markdown and structured notes.
  • Linux only
  • No sync described on the homepage
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0 License: GPL-3.0-or-later
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

Checked September 22, 2026

Checked October 1, 2026

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