"Teamie is a cloud-based social platform that makes learning collaborative & fun, enables educators to engage & teach, and drives performance & behavior."
Another fun toy. It calculates the 'value' of your website (values vary according to the "fluctuation of the market") based on its rankings and traffic.
Kete is open source software that you can use to create online areas for collaboration for your community. Write topics and upload images, audio, video, documents. Discuss them all. Link them together.
It's been called a "relational wiki" and " a mashup between content management and knowledge managment". It's a fun way to get things done.