Deyey is a online applications and sharing platform. This is an interesting online application tool. They have a cool namecard designer, you could really come up with awesome designs.

Yacapaca for Teachers. Create quizzes, surveys, tests, eportfolios and more. Discover modify and share assessments
Set work for the whole class with a few mouseclicks. Mark automatically Analyse with tools that improve your teaching.
You have to use it to really understand what it does, but does seem like and interesting concept.

Free music zilla, the first tool specialized for social music downloading, enables you download free music from IMEEM™, Last.fm™, Pandora™, Myspace, eSnips™, Mog™, iJigg™, Radio.blog.club™ and almost all social music services. Enjoy free music.