Apple released a developer's preview of Rendezvous Networking for Windows 2000 & XP at wwdc 04.
This preview release includes full link-local support, allowing Windows machines to discover advertised HTTP and FTP servers using Internet Explorer. It also includes a printer setup wizard which allows Windows machines to print to Rendezvous networked printers, including USB shared printers connected to the AirPort Extreme and AirPort Express Base Stations. With the included Rendezvous SDK, Windows and Java developers can begin the process of adding Rendezvous service discovery to their applications
Also released was support for various POSIX platforms, including Linux, Solaris, and FreeBSD, as well as making it callable from Java. Prior to wwdc, Rendezvous support was only available in Mac OS X.