Prefuse Visualization Tool 7.5 Web Statistics 7.5.1 Awstats 7.5.2 Webalizer 7.5.2.1 Basic 7.5.2.2 DNS 8 CSS [ edit ] Web Server [ edit ] Apache Apache is the most popular open source web server running on more than 2/3 of the worlds web servers. [ edit ] Script Apache: apachectl option