Apache Web Server is software intended to send content over internet by Hypertext Transfer Protocol. Software is Apache HTTP Server, frequently referred as Apache.

• Apache made by Robert McCool. He based original version on previous web server he made known as NCSA HTTPd.

• First edition of Apache was out in 1995. In one year it rose to become most utilized web server program in world.

• Apache is open source, means it is free to download. Anybody can use, change or allocate Apache without paying a fee.

• Apache is utilized more than other web server. As March 2010, over half servers in process utilize Apache software.

• The nearby opponent to Apache is Microsoft's Internet Information Service (MIIS). Though, in March 2010, MIIS has less than half users of Apache.