Lemma is a free and open source note-taking application for Linux. It comes with Markdown document support, keyboard shortcut and beautiful typography support. It is written in Python and released under GNU General Public License v3.0 or later. You can also import any markdown file as a notes. It is currently in alpha stage.
How to Install Lemma on Ubuntu
Lemma is available as a Flatpak from Flathub. In the terminal application (ctrl+alt+t) run below Lemma flatpak install command. It will install the latest version of Lemma on your system.
flatpak install flathub org.cvfosammmm.Lemma
You can open Lemma using below command.
flatpak run org.cvfosammmm.Lemma
Note: If you don’t already have flatpak and flathub installed,then install them on your system first using the commands provided below. After the installation, restart your system and again start the Lemma installation.
sudo apt install flatpak
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
You can also uninstall Lemma using blow commands.
flatpak uninstall org.cvfosammmm.Lemma
[OR]
sudo flatpak uninstall org.cvfosammmm.Lemma