OpenXcom is a new engine for the old game UFO: Enemy Unknown (X-Com: UFO Defense in the USA),
a popular strategy videogame made by Mythos/Microprose in which you take control of the X-Com
organization to fight off the alien menace invading Earth.
A file manager for the X Window System.
A Firefox add-on that adds a search engine that donates 80% of its income for tree planting.