This is a small, abstract shooting game from Japanese developer Kuni. It is a 'caveflier' in which the exhaust from the engine also serves as a tool to erode the cave walls.

Hitori puzzles give you a grid filled with numbers. The goal is to remove numbers such that no row or column contains duplicates.

radeontop is a small utility which allows one to monitor the utilization of Radeon GPUs starting from the R600 series and newer using undocumented performance counters in the hardware. The utility works with the free drivers.

ColorCode is an advanced MasterMind code-breaking game clone. The program accepts setting the number of slots (from 2 to 5), the number of colors (from 2 to 10) and setting if colors might be repeated in the secret code (doubles allowed or not). The game has 5 built-in levels, from level 1 (beginner: 2 slots and 2 colors, with doubles allowed) to level 5 (hard: 5 slots and 10 colors, with doubles allowed). ColorCode can make guesses in place of the user.

colorname tries to assign a name to a color using external color definitions and a little math.

Thonny is a simple Python IDE with features useful for learning programming.