MATE

Xfce is a lightweight desktop environment for UNIX-like operating systems. It aims to be fast and low on system resources, while still being visually appealing and user friendly.

Mail is an email client for elementary OS

GNOME is a free and open-source desktop environment that's available for GNU/Linux as well as most of the various BSD derivatives. The desktop environment works with both X11 and Wayland display

The KDE® Community is a free software community dedicated to creating an open and user-friendly computing experience, offering an advanced graphical desktop, a wide variety of applications

You can use it on your less-pricey embedded board or salvaged computer.

The LXQt team is proud to announce the release of qtermwidget and qterminal, both in version 0.8.0. Read more... Release LXQt 0.12.0. The LXQt team is proud to announce the release of LXQt 0.12.0,

Generate and store your own clean energy with the worlds first truly portable Wind Turbine.