Computers

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]

A tutorial article from java.sun.com with the source code for a working minimalist webserver.

A web server written in Java. Supports CGI, PHP, and Perl. Requires Unix-like OS. [Open source, GPL]