Black Fennec is free and open source semi structured data editing application for Linux. Using Black Fennec, you can visualize and edit JSON and YAML files easily. It is written in Python and released under GNU General Public License v3.0. You can also extend its features using extension api.
How to Install Black Fennec on Ubuntu linux
Black Fennec is available as a flatpak package file from the remote flathub repository. So first install flatpak and flathub on your system if you don’t have. And restart it after the installation.
Now in the terminal software (ctrl+alt+t) run below Black Fennec flatpak install command.
flatpak install flathub org.blackfennec.app
It will install the latest version of Black Fennec on your system.
flatpak run org.blackfennec.app
You can also uninstall Black Fennec app using this command.
sudo flatpak uninstall org.blackfennec.app