Sakai CLE (Collaboration and Learning Environment) is a community source e-learning platform whose development is supported by a community of academic institutions, commercial organizations and individuals. The Sakai Foundation which is a member based, non profit corporation is there to encourage the community and aid the development of the education platform.

Features of the Sakai CLE are: announcements, assignments, blog, calendar, chat, discussion forum, drop box (for private file sharing), email archive, glossary, gradebook, news, resources, syllabus, tests and quizzes.

www.sakaiproject.org