Just Launched: You can now import projects and releases from Google Code onto SourceForge
We are excited to release new functionality to enable a 1-click import from Google Code onto the Allura platform on SourceForge. You can import tickets, wikis, source, releases, and more with a few simple steps. Read More
Gemello is a relational database written in pure Java. Its design is aimed at teaching. If you're searching for a fast relational engine, Gemello won't be a good choice. Is's rather a good and simple example of relational database implementation.