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!
EduDo - EduDo is a video discussion platform
Developer's Guide to Content Creation - The book for devs who want to make quality technical content
Pinglr - Learn more in less time
Golden - Mapping all human knowledge