Sutle - Save and organize resources into a directed learning path.
Postly - Turn your photos into REAL beautiful postcards. Available on iPhone, iPad and Android. Make friends and family smile with a postcard!
Golden - Mapping all human knowledge
Developer's Guide to Content Creation - The book for devs who want to make quality technical content
QuestBook - The fastest way to teach and learn
Self-Defined - A modern dictionary about us.