Librum is a free and open source ebook reader and ebook management application for Linux. Using Librum, you can manage your own online library and access it from any device anywhere. It comes with build-in reader, note taking, bookmarking, and highlighting, theme support and pdf, epub and many more ebook format support.
How to Install Librum on Ubuntu
Librum is available as a flatpak package file from the flathub remote repository. First install flatpak and flahub on your system using below commands. skip below steps if you already installed.
sudo apt install flatpak
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
And restart your system. After that open the terminal application (ctrl+alt+t) and run below Librum flatpak install command. It will install the latest version of Librum on your system.
flatpak install flathub com.librumreader.librum
After that open it using Show Apps menu from the Ubuntu dock or via below command.
flatpak run com.librumreader.librum
And you can also uninstall Librum using below commands.
flatpak uninstall com.librumreader.librum
[OR]
sudo flatpak uninstall com.librumreader.librum