DNSSD for Firefox (formerly BonjourFoxy) adds support for discovering Web sites via DNS Service Discovery (Bonjour) to Firefox.
wxServDisc is a simple-to-use C++ class to facilitate Zeroconf service discovery in any wxWidgets application, without any dependencies other than wxWidgets. A sample application is also included.
A tiny, easily embeddable HTTP server in Java.
A Java library and applications for software licensing.