What is Apache ?


Robust, commercial-grade, featureful HTTP server
Based on NCSA httpd 1.3 (early 1995)
Freely-available source code implementation
A collaborative software development effort 
Jointly managed by a group of volunteers located around the world (the Apache Group)
Using the Internet and the Web to communicate, plan, and develop the server and its related documentation
Hundreds of users have contributed ideas, code, and documentation