Xfce

Xfce Overview:
Xfce is a desktop environment built on the GTK toolkit, featuring the Xfwm window manager with compositing support. It is designed to be entirely mouse-driven, utilizing hidden configuration files for a streamlined user experience. Originating in 1996 as a Linux alternative to CDE, Xfce has evolved over the years, departing from its initial CDE roots.

Xfce Development and Releases:
Xfce has undergone significant development with major releases like Xfce 4.0.0, 4.2.0, 4.4.0, 4.6.0, 4.8.0, and subsequent versions. The project remains actively developed, with recent releases such as Xfce 4.14 and 4.16, offering improvements and new features. Additionally, users can enhance their Xfce experience with Xfce Goodies projects.

Xfce Software Components:
Xfce applications are built on GTK and proprietary Xfce libraries, enabling third-party software to integrate seamlessly. Key components include the Whisker Menu, Xfce Panel, Xfce Terminal, Xfwm, and various application-specific tools like Thunar, Catfish, Orage, Mousepad, Parole, Ristretto, Xfburn, and Xfce Screensaver.

Source: https://en.wikipedia.org/wiki/Xfce