Lighttpd is especially suited for situations where low resource usage is a priority, such as on embedded systems or servers with limited hardware capabilities. It is also useful for hosting static content, serving as a reverse proxy, or when hosting web applications with specific performance requirements.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
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
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
LiteSpeed Web Server - LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.
mongrel - A small fast HTTP library and server that runs Rails, Camping, Nitro and Iowa apps.