Colour Contrast Analyser - TPGi's ADA Color Contrast Checker checks for helps determine the accessibility the contrast ratio of two colors for WCAG AA and AAA.

Lexica - An open source word-search game.

Who Can Use - WhoCanUse is a tool that brings attention and understanding to how color contrast can affect different people with visual impairments.

Wordbase - Wordbase - the fun, addictive and challenging game of words and letters for iPhone!

Kontrast - Check and adjust web element contrast in real time.

Ruzzle - Ruzzle is a fun and fast-paced word game where you can challenge your friends or allow an opponent...