Extending PostgreSQL with Oracle(tm) and SQL Server(tm) Compatability and OLTP Scalability features.
The CompatibleDB for the Enterpriseproject is a PostgreSQL Community project that is a part of the pgFoundry.
The pgFoundry page for the project is at http://pgfoundry.org/projects/compatibledb, where you can find downloads, documentation, bug reports, mailing lists, and a whole lot more.
