Lemma

Overview

Lemma is a note-taking program, available on Linux.

Features described in its Flathub listing and on its official website: full-text search and keyboard shortcuts.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

At a glance

All of Lemma is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

About

Take notes with beautiful typography. Features include: Super-fast Page Management: Create pages by linking to them (just like in a wiki). Press Ctrl+L to add a link to another page. Easy Math Entry: Edit mathematical expressions directly in the main text editor. No separate windows for math entry! Programming Support: Run Python scripts from within your documents and display the results. It's Literate Programming taken to the next level. Convenient Import / Export: Add files and images with drag and drop or copy and paste. You can easily export them too. Markdown import and export is also built in. And much much more: To-Do Lists, View Backlinks, Sidebars with Buttons for Emojis and Special Symbols, Bookmark Pages with Convenient Shortcuts, Full-Text Search, Editable Toolbars and Keyboard Shortcuts, ...

Description from Flathub — AppStream (Flathub)