Paper is a free and open source note taking application for Linux. It comes with WYSIWYG markdown editor, build-in search, text highlight, insert link, insert code, strike through text, horizontal rule, trash can, export your note, keyboard shortcuts support, you can change font, limit note width and dark mode support. It is released under GNU General Public License v3.0.
How to Install Paper Note Taking App on Ubuntu Linux
Paper note taking app is available as a flatpak package from the flathub repository. If you don’t have then install flatpak and flathub on your system using below link and restart your system.
After that in your terminal application (ctrl+alt+t) run below Paper flatpak installation command.
flatpak install flathub io.posidon.Paper
You can open Paper note taking software using this command.
flatpak run io.posidon.Paper
And uninstall it using
sudo flatpak uninstall io.posidon.Paper