Kebec - Virtual University, an open university plataform, basicaly for math student.Kebec - Virtual University supports math syntax, there are a lot of modules: forum, chat, notes, etc. Today it supports two languages, portuguese and english.

CABLE (Computer Algebra Based Learning and Evaluation) is an online mathematical assessment tool for use with an open source computer algebra system.Computer algebra systems (CAS) are well-established research tools for performing symbolic manipulation of mathematical expressions, such as algebra and calculus. CABLE is designed to be a cost-effective, online infrastructure for writing, testing and databasing lightweight and flexible mathematical learning ...