Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
UltiDev - UltiDev LLC makes server software allowing web applications to be distributed to, and hosted by non-techincal users: consumers and small businesses.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Railo - Railo is an Open Source ColdFusion Markup Language (CFML) server and the fastest CFML engine available. We offer expert CFML consulting services from world class ColdFusion experts.
LiteSpeed Web Server - LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.