Find out what helps the web work.
Apache, an open source software that is available for free, is the most widely used web server software and is developed and maintained by the Apache Software Foundation.
Version 2.0 of Apache is capable of running on most UNIX-based operating systems such as Linux, Solaris.
Flexibility is created by manipulating the code base, or by adding multiple extensions and add-ons.
Web hosting companies widely use Apache in order to provide shared/virtual hosting.
The latest version 2.4.20, was released in April of 2016.