- [GameMode](https://github.com/FeralInteractive/gamemode), a daemon/lib combo for Linux that allows games to request a set of optimisations be temporarily applied to the host OS
- [Geary](https://wiki.gnome.org/Apps/Geary), an email application built around conversations, for the GNOME 3 desktop.
- [GLib](https://gitlab.gnome.org/GNOME/glib), cross-platform C library used by GTK+ and GStreamer
- [Glorytun](https://github.com/angt/glorytun), a multipath UDP tunnel
- [GNOME Boxes](https://gitlab.gnome.org/GNOME/gnome-boxes), a GNOME hypervisor
- [GNOME Builder](https://gitlab.gnome.org/GNOME/gnome-builder), an IDE for the GNOME platform
- [GNOME MPV](https://github.com/gnome-mpv/gnome-mpv), GNOME frontend to the mpv video player