The Trinity Desktop Environment is a complete software desktop environment designed for Unix-like operating systems, intended for computer users preferring a traditional desktop model, and is free/libre software.
Ranked in these QuestionsQuestion Ranking
Pro Highly configurable
Trinity is every customizable, almost every aspect of the GUI can be changed to look like you want. Need a button in the toolbar? You can add it. You want a specialized toolbar in a certain part of the screen? You can add it.
You can configure the GUI in the setup before the first run too.
Pro Traditional desktop experience
As a fork of KDE 3.5 Trinity is designed for Unix-like operating systems, intended for computer users preferring a traditional desktop model.
Pro Works fine on old computers
It is very responsive in 7+ years old computers
Con Huge and obsolete codebase
Trinity is based in Qt 3, which is unmaintained by upstream. The KDE 3 codebase is also unmaintained. As new technologies like Systemd become a new standard the lack of developers make Trinity more incompatible and error/bug/security risk prone.