Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.
See https://flatpak.org/ for more information.
Flatpak is available in the package repositories of most Linux distributions and can be installed from there. See https://flatpak.org/setup/ for quick setup instructions for many distributions.
Community discussion happens in #flatpak:matrix.org, on the mailing list, and on the Flathub Discourse.
Read documentation for Flatpak here.
Flatpak welcomes contributions from anyone! Here are some ways you can help:
- Fix one of the issues and submit a PR
 - Update flatpak's translations and submit a PR
 - Improve flatpak's documentation, hosted at http://docs.flatpak.org and developed over in flatpak-docs
 - Find a bug and submit a detailed report including your OS, flatpak version, and the steps to reproduce
 - Add your favorite application to Flathub by writing a flatpak-builder manifest and submitting it
 - Improve the Flatpak support in your favorite Linux distribution
 
See CONTRIBUTING.md
Here are some notable projects in the Flatpak ecosystem:
- Flatseal: An app for managing permissions of Flatpak apps without using the CLI
 - Flat-manager: A tool for managing Flatpak repositories