Database connection pool with support for lots of languages and databases.
This is a great product. It took a bit to work out some of the kinks, but it solves many more problems than it causes. One thing I would like to see is a PyPi package for an easier python module install.
This is a mature, transparent, middleware solution for database connections which does not seem to have any comparable, anywhere near viable, multi-protocol free open source alternatives. When you consider that both open source database projects and closed-source database vendors have rent-seeking behaviors that drive api lock-in and complexity-driven exhaustion effects it is really quite remarkable that this project is as up to date as it is on driver feature support.