A Simple Multithreaded Web Server
- A tutorial article from java.sun.com with the source code for a working minimalist webserver.
- http://java.sun.com/developer/technicalArticles/Networking/Webserver/

Vq Server
- Java server for Windows 9x/NT and Mac. [Freeware, requires registration]
- http://www.vqsoft.com/vq/server/

WebServer
- A web server written in Java. Supports CGI, PHP, and Perl. Requires Unix-like OS. [Open source, GPL]
- http://webservjava.sourceforge.net/

Jigsaw
- The official W3C Java-based Web server. (W3C is the WWW standards body.) With a modular architecture and full HTTP/1.1 compliance, the Jigsaw server is an experimental platform for W3C and the Internet community.[Open Source]
- http://www.w3.org/Jigsaw/