jdDiff is a free and open source Diff viewer application for Linux. Using jdDiff, you can view the difference between two files and two folders. It is written in Python and released under The GNU General Public License v3.0. It is a simple and easy to use app. Currently it supports 4 languages, sorting and you can also set the added test color and removed test color.
How to install jdDiff on Ubuntu
You can install jdDiff app via flatpak package from the remote flathub for your Ubuntu Linux system. If you don’t have then first install flatpak and flathub on your system and restart it after the installation. Follow below installation instructions link.
After that open the terminal application using the show applications menu or by pressing ctrl+alt+t keys and run below jdDiff software flatpak install command. It will install the latest version of jdDiff on your system.
flatpak install flathub page.codeberg.JakobDev.jdDiff
After that open jdDiff using below command.
flatpak run page.codeberg.JakobDev.jdDiff
And uninstall jdDiff using below commands.
flatpak uninstall page.codeberg.JakobDev.jdDiff
sudo flatpak uninstall page.codeberg.JakobDev.jdDiff