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The OpenSubmit project

This is OpenSubmit, a small web application for managing student assignment solutions in a university environment.

Other tools, such as Moodle, are more powerful and support not only assignments, but also the management of learning material, course progress and access rights. If you want the all-inclusive solution, this is the wrong project.

OpenSubmit offers a trivial web page were students can login and submit their assignment solutions. Teachers and their personal use the backend interface to manage assignments, deadlines, and the gradings. Students are informed about the progress of their correction and their final grade via eMail and the frontend page.

The unique capability of OpenSubmit is the support for coding assignments, were students upload their programming exercise solution as source code archive. OpenSubmit offers an executor daemon that runs on another machine and downloads submitted solutions from the web server. These archives are unpacked and compiled, so that non-compiling assignment solutions are rejected by the system before the deadline. You can also run an assignment-specific validation script that figures out if the student code behaves nicely, before accepting it as solution. This makes the life of the corrector less miserable, because after the deadline, all gradable solutions are ‘valid’. Students also seem to like the idea of having a validated solution, so that they do not fail due to technical difficulties at the correctors side.

When the deadline is over, the system can run another invisble test with the student code the determine grading-relevant information.

Since OpenSubmit is only for assignment submission, it has no management of course participants. Everybody who can perform a successful login can submit solutions. Therefore, we expect you to have an institute-specific authentication provider. OpenSubmit currently supports OpenID and Shibboleth out of the box for such cases. You can also offer GitHub, Twitter or Google login for determining the student identity.

The end-user documentation is available in the GitHub Wiki.

Installation

If you just want to install your own copy of OpenSubmit, please read the installation guide in the GitHub Wiki.

License

OpenSubmit is licensed under the AGPL Version 3. This means you are allowed to:

  • Install and run the unmodified OpenSubmit code at your site.
  • Re-package and distribute the unmodified version of OpenSubmit from this repository.
  • Modify and re-publish (fork) the sources, as long as your modified versions are accessible for everybody.

In short, AGPL forbids you to distribute / run your own modified version of OpenSubmit without publishing your code.

Acknowledgements

People who contributed to this project so far:

  • Kai Fabian (frontend, code evaluation)
  • Frank Feinbube (code evaluation backend, testing)
  • Bernhard Rabe (testing)
  • Peter Tröger (project owner)

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Just another submission system for course assignment solutions. Supports semi-automated code evaluation.

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