gNewSense: GNU/Linux distribution, Free Software Foundation, Richard Stallman, GNU Project, Graphical user interface, X display manager, Epiphany (browser)

Openwall Project: GNU, Linux, Linux Distribution

Cantor (software): Free Software, Graphical User Interface, KDE Education Project

Compositing Window Manager: Graphical User Interface, Desktop Environment, X Manager

Appearance Manager: OS X, Mac OS, Graphical user interface