Vocalibrary - Pick up new words with everything you read. Improve your vocabulary with auto-generated flashcards.
Google Open Source - All of Googles open source projects under a single umbrella
Moleskine Smart Notebook - Turn hand-drawn sketches into fully workable vector files
Opensource Builders - Find open-source alternatives to commercial apps
ProWriter - Showcase your writing skills and earn writing jobs you love.
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.