Flatseal Flatseal is a graphical utility to review and modify permissions from your Flatpak applications. Flatseal is an essential utility to have when managing Flatpak applications, for setting things like environment variables in an easy graphical manner. Resources Flatseal Metadata: Last Updated: August 11, 2023 Backlinks: Firefox A free and open-source web browser developed by Mozilla. Uses Gecko, an alternative browser engine. Flatpak Flatpak, formerly known as xdg-app, is a utility for software deployment and package management for Linux. It is advertised as...