The Contrib section (https://source.sakaiproject.org/contrib/) of the Sakai source code repository is the location where organizations and individuals place their code that is not going directly into a Sakai release. The Contrib code is diverse in origin. It includes a massive amount of code, from large, well-tested, and supported projects, such as Etudes (http://etudesproject.org/), through tools created for local needs to personal contributions and proofs of concepts. Contrib bubbles with creativity and source code at various levels of quality and maturity.
The Contrib area is open for everyone to use. This implies that individual organizations can roll their Contrib tools out to their own students without having to be stuck to the foundation-coordinated release cycle. Local QA takes the place of the centrally coordinated QA. This approach allows rapid development and deployment. However, it risks the maturity of the Contrib tool, as there is no central guarantee...