James Clark, author of Expat, for having provided very useful guidance on the 
proper way to design and implement a highly reusable C library. 

Apache Project's 
----------------
Apache Axis2 [http://ws.apache.org/axis2]			   - Initial Architecture
Apache Maven [http://maven.apache.org/]				   - Site generation
Apache APR   [http://apr.apache.org/]				   - Versioning Guideline, 
														 Some codes in util
Apache HTTPD [http://httpd.apache.org/]     		   - mod_axis2
Apache Qpid  [http://cwiki.apache.org/qpid/index.html] - AMQP implementation