From Gentoo Wiki
|Budgie||N/A||The flagship desktop of the Solus Project, focuses on simplicity and elegance and is tightly integrated with the GNOME 3 stack. (No longer available in the in the Sabayon overlay.)|
|Cinnamon||gnome-extra/cinnamon||GNOME 3 fork with a traditional Windows-like interface. (Cinnamon depends on an old version of spidermonkey, sometimes it can't be emerged properly.)|
|Deepin Desktop Environment||dde-base/dde-meta||Elegant, easy to use and reliable domestic desktop evironment. (Deepin overlay‘s updates are very slow, and it is not working properly on some users' computers.)|
|Enlightenment||x11-wm/enlightenment||Eye-candy, compositing and stacking window manager that is released under the permissive BSD License.|
|FVWM-Crystal||x11-themes/fvwm-crystal||Easy to use, powerful and pretty desktop environment.|
|GNOME||gnome-base/gnome||One of the most widely-used desktop environments for Linux. A lighter alternative, gnome-base/gnome-light, is also available. Quite a few forks of GNOME have been created, including Cinnamon (early GNOME 3) and MATE (late GNOME 2).|
|KDE Plasma||kde-plasma/plasma-meta||Based on Qt5 and KDE Frameworks 5. This is the desktop environment only. A wide range of related applications are available separately with kde-apps/kde-apps-meta.|
|LXDE||lxde-base/lxde-meta||Lightweight X11 Desktop Environment.|
|LXQt||lxqt-base/lxqt-meta||Lightweight desktop environment based on the Qt toolkit.|
|Lumina||x11-wm/lumina||Lightweight desktop environment, free of dbus and *kit.|
|MATE||mate-base/mate||Fork of the GNOME 2 desktop environment.|
|Pantheon||pantheon-base/pantheon||New lightweight, modular desktop environment primarily written in Vala.|
|Razor-qt||N/A||A desktop environment that was based on the Qt framework. Merged with the Qt port of LXDE and became LXQt.|
|TDE||trinity-base/tdebase-meta||Fork of KDE 3.5.|
|Xfce||xfce-base/xfce4-meta||Fully featured lightweight desktop environment.|
- Available in the deepin ebuild repository.
- Available in the elementary repository.
- Available in the trinity ebuild repository.