Karlender is a free and open source Calendar application for Linux. It is written in Rust and based on GTK and released under GNU General Public License v3.0. Using karlender you can sync and manage your calendars. Currently it supports CalDav and local calendars. It comes with simple and easy to use monthly and daily event management.
Install karlender on Ubuntu Linux
karlender application is available via flatpak package and from remote flathub repository. So first you need to install flatpak and flathub on your system and after the successful installation, just restart it. Now in your terminal app (ctrl+alt+t) run below flatpak karlender app installation command.
flatpak install flathub codes.loers.Karlender
It will install the latest version of karlender linux calendar software on your system. Now run this command to start it.
flatpak run codes.loers.Karlender
If you don’t like it then uninstall it via
sudo flatpak uninstall codes.loers.Karlender