Drawasaurus - Drawasaurus is an online drawing & guessing game you can play with friends or strangers.
BirdFont - Birdfont is a free font editor which lets you create vector graphics and export TTF, OTF, EOT and...
LetsDraw.It - Guess and Draw, Drawing Battle, Pictionary, Copy picture - online drawing games where you can compare your skill with others.
FontCreator - This professional font editor allows you to create and edit TrueType and OpenType fonts.
skribbl - Word guessing based on drawing.
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...