Who Can Use - WhoCanUse is a tool that brings attention and understanding to how color contrast can affect different people with visual impairments.
Dood : The Puzzle Planet - A strategy puzzle game for the smart ones
Cron Color - Free web tool for designing color palettes and checking contrasts.
63 - 63 is a race against the world.
Palette For Mac - A menu bar based colour contrast analyser
Ecovolife - A cute farming game which you can immerse your life into