Apache is the most popular Web Server in use on the internet.

Apache is the most popular Web Server in use on the internet.

From the Apache.org website:

The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows NT. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.

Apache httpd has been the most popular web server on the Internet since April 1996.

The Apache HTTP Server ("httpd") is a project of The Apache Software Foundation.

More information can be found at The Apache Software Foundation.