Popular Free, Open-Source HTTP Server Software

This page is the CodyCross answer for the clue below from Earth, Group 19, Puzzle 1.

Question is: Popular Free, Open-Source HTTP Server Software

and the answer is: APACHE

Word Meaning:

APACHE — Alternative letter-case form of Apache, a Parisian gangster.

Definitions from Wiktionary.

Popular free, open-source HTTP server software — CodyCross Answer | CodyCross Solutions