Trilium Notes is a free and open source note taking software for Linux, MacOS and Windows. Using Trilium Notes, you can create large personal knowledge bases easily. It comes with rich WYSIWYG note editor, source code editing, syntax highlighting, build-in full text search, note hoisting, note versioning, synchronization support, Sharing, encryption, sketching diagrams, relation maps and link maps, scripting, night theme and more.
It also comes with web clipper for saving web content and you can import and export notes from Evernote and Markdown. It is released under GNU Affero General Public License v3.0.
How to Install Trilium Notes on Ubuntu Linux
Download Trilium Notes in .deb package file from the above Download link and save it in your Downloads folder. In the terminal app (ctrl+alt+t) run below command to install the latest version of Trilium Notes app. Here the downloaded file name is “trilium_0.53.2_amd64.deb” . You can change below command based on your file name and downloaded path.
sudo apt install ./Downloads/trilium_0.53.2_amd64.deb
sudo apt install ./Download/trilium*.deb
Install Trilium Notes via Flatpak:
First install flatpak and flathub on your system and restart your system after the installation. Now in terminal app run below Trilium Notes flatpak installation command.
flatpak install flathub com.github.zadam.trilium
You can start Trilium Notes using below flatpak command.
flatpak run com.github.zadam.trilium
And uninstall it via
sudo flatpak uninstall com.github.zadam.trilium