Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
nginx - A high performance free open source web server powering busiest sites on the Internet.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
lighttpd - A secure, fast, compliant, and very flexible web-server that has been optimized for high-performance environments
Forge - Static web hosting made simple