[LXDE][1] is a [POSIX][2] compliant [desktop environment][3] used on Raspbian; in September 2016 the Raspberry Pi Foundation [announced a fork][4], PIXEL, to be used in as the default in their distributions of Raspbian.

Currently beyond the announcement there appears to be no documentation available online.  If you are aware of some, please make or suggest an edit to this tag wiki.


  [1]: http://lxde.org/
  [2]: https://en.wikipedia.org/wiki/POSIX
  [3]: https://en.wikipedia.org/wiki/Desktop_environment
  [4]: https://www.raspberrypi.org/blog/introducing-pixel/