Install flatpak-builder by entering the following commands in the terminal:
sudo apt update sudo apt install flatpak-builder
Description:
Flatpak application building helper
Flatpak installs, manages and runs sandboxed desktop application bundles. See the flatpak package for a more comprehensive description. . flatpak-builder is a tool that makes it easy to build applications and their dependencies by automating the configure && make && make install steps.
Homepage: http://flatpak.org/
Version: 0.10.9-1
Section: universe/devel