Sakai is an open source community developing collaboration software used by instittuions and corporatios all over the world for Teaching and Learning online and in blended environments, research collaboration, elecronic portfolios, and other forms of group collaboration.

The software is comparable to course management systems (CMS), or learning management systems (LMS) like Blackboard, WebCT, Angel, Desire2Learn, and others.

You can easily check it out online or download it from the rSmart website.

Kuali is a cooperative group of open source communities developing major enterprise applications for colleges and universities such as: a comprehensive financial system; research administration; endowment mangement; and student services.

The community also has projects developing common enterprise services such as workflow, identity management, notification services, a service bus, and a framework for agile development of additional enterprise services.