PostgreSQL

PostgreSQL is and open source relational database with a reputation for reliability, data integrity, and correctness. It runs everywhere and has an activity community of and used.

For the current state of the project you can watch The State of the Elephant a presentation by Ed Boyajian and Bruce Momjian at the Oreilly MySQL 2011 conference.

Postresql is affiliated with Software in the Public Interest through which can be made. Donations are used to provide important service to the PostgreSQL including advocacy materials, conference expenses, legal expenses, and travel costs.