Xfce (Core)

EDE   (Compare Project)

Very Low Activity

Mostly written in C++

License: GPL-2.0+

GNOME   (Compare Project)

Very High Activity

Mostly written in C

License: LGPL-2.1+

Fluxbox   (Compare Project)

Low Activity

Mostly written in C++

License: MIT

Razor-qt   (Compare Project)

High Activity

Mostly written in C++

License: GPL-2.0+, LGPL-2.1+

LXDE   (Compare Project)

Very High Activity

Mostly written in C

License: GPL-2.0+, LGPL

KDE   (Compare Project)

Activity Not Available

Mostly written in C++

License: LGPL

Unagi Compositing Manager   (Compare Project)

Very Low Activity

Mostly written in C

License: GPL-3.0+

Qt 5   (Compare Project)

Very High Activity

Mostly written in C++

License: Commercial, GFDL-1.2, GPL-3.0, LGPL-2.1

awesome   (Compare Project)

Moderate Activity

Mostly written in C

License: GPL-2.0+

node-x11   (Compare Project)

Moderate Activity

Mostly written in JavaScript

License: MIT

Thunar   (Compare Project)

Moderate Activity

Mostly written in C

License: GPL-2.0+

Xubuntu   (Compare Project)

Activity Not Available

License: Unknown

Xfce Terminal   (Compare Project)

Moderate Activity

Mostly written in C

License: GPL-2.0+

Xfce4 Notify Daemon   (Compare Project)

Low Activity

Mostly written in C

License: GPL-2.0+

Xfce4 Dictionary   (Compare Project)

Activity Not Available

Mostly written in C

License: GPL-2.0+

LILO   (Compare Project)

Activity Not Available

License: BSD-3-Clause

Sonata   (Compare Project)

Moderate Activity

Mostly written in Python

License: GPL-2.0+, GPL-3.0+

Lunar Linux   (Compare Project)

Very High Activity

Mostly written in shell script

License: GPL-2.0+

X-Chat   (Compare Project)

Low Activity

Mostly written in C

License: GPL-2.0+

Gajim   (Compare Project)

High Activity

Mostly written in Python

License: GPL-3.0