Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
AppZero - AppZero is a monitoring and migration tool that allows users to keep track of different applications and servers in both simple and complex IT environments.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
CULA - A webmonitoring solution for beginners and pros.