UMMF is an open-source implementation of UML-compatible meta-meta-model, for the purposes of reifying meta-model implementations and to provide a platform for building flexible model and meta-model transformation tools.
FGL is a tightly-integrated self-contained development & execution environment utilizing best-of-breed programming tools and methodologies, optimized web/application server, highly-scalable relational/object database, and robust extension interface.
phpBeans provides software and specifications for enabling n-tier development within PHP, such as the phpBeans Object Server, and interoperable with other languages as well. phpBeans can be downloaded from http://www.sitelliteforge.com/