Free and Open Source Java Powered Web Server
Version: 0.6.3dlhttpd is a webserver written in Java that emphasizes security, configurability, modularity, extensability, and programmability.
Operating System: Mac OS X
Because it is written in Java, it should work on all major platforms with Java installed: Mac OS X, Windows, Linux etc.
NOTE: dlhttpd is licensed and distributed under the terms of the BSD License.