Who Can Use - WhoCanUse is a tool that brings attention and understanding to how color contrast can affect different people with visual impairments.
Ordinary Puzzles - A minimalistic puzzle game inspired by Picross and Sudoku.
Cron Color - Free web tool for designing color palettes and checking contrasts.
Two Dots - Sharpen your puzzle solving skills with a challenging game of dot connection.
Palette For Mac - A menu bar based colour contrast analyser
PH Builds a Puzzle - A realtime, collaborative jigsaw puzzle.