Apache
What is Apache?
Apache is the most widely used http web server software and currently runs on approximately 67% of all websites in the world. The server software is developed and maintained by the Apache Software Foundation, and is free and open source. Apache is a popular web server as it is available for most server operating systems, including UNIX, Linux, and Windows. Development on Apache began in 1995. In 2009, it became the first web server software to server more than 100 million websites. Apache is fast, reliable, and secure. It can be highly customized to meet the needs of many different environments by using extensions and modules.
Glossary » Apache