Ubuntu MATE 14.04 LTS

Ubuntu MATE is a stable, easy-to-use operating system with a configurable desktop environment. Ideal for those who want the most out of their desktops, laptops and netbooks and prefer a traditional desktop metaphor. With modest hardware requirements it is suitable for modern workstations and older hardware alike. Ubuntu MATE 14.04 has been released by Ubuntu MATE team. This release fixes a few issues that were present in the 14.10 release and adds some additional features.

https://ubuntu-mate.org/about/