Doctrine is a feature-rich, fully optimizable ORM framework for PHP, combining an easy ActiveRecord setup and ultra-high performance
"Swat is an open-source web application toolkit built with PHP5. It is primarily developed and maintained by silverorange, but participation and contributions are welcome." Cool stuff, check out the 'demos' section.
法国工程师Francois Zaninotto在其雇主公司Sensio的赞助下开发了一套web应用开发的开源框架: Symfony发布了。
Symfony是个基于PHP5的面向对象的Web Framework,充分借鉴了Ruby下的Rails,Python下的Django,它基于Mojavi(另外一个PHP MVC Framework)的V3版本原形开发独立出来的
The Mono project is an open development initiative sponsored by Novell that is working to develop an open source implementation of the Microsoft .NET Framework and runtime that will run on Unix-based platforms. It is based on the ECMA standards for C# and the Common Language Infrastructure.