Space simulation that lets you explore our universe in three dimensions.

The recently updated version of Stellarium comes with a new interface and many improvements which bring it to the top along with the rest of space simulation software.

A high-level language, primarily intended for numerical computations. It is also the most MatLab-compatible free language around.

Great emulator of the MS-DOS enviroment. It is widely used to play older games that have been released for this platform and has a lot of configuration options.

A free and open-sourced 3D remake of the good old DOS game "Scorched Earth".