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...It gives students instant feedback and allows instructors to track their progress in real time. Problems are written in a flexible and easy to use language.
Current builds of this project are at https://github.com/openwebwork
Open-source automated grading of programming assignments
...This project also provides Eclipse plugins for electronic submission and feedback services directly from the Eclipse IDE.
We now use github for source code control (https://github.com/web-cat), although all file releases are still provided here through SourceForge. The CVS repository here is for archival purposes only.