Linux makes a great platform for deploying diskless workstations that boot from a network server. The LTSP is an open source project to create the administration tools that will make setting up a diskless Linux workstation easier.
Serverdisk diskette distro is a Linux floppy disk
distribution which includes FTP and HTTP servers.
This is not a rescue disk or one of the many
standalone firewall distributions.
A free H.323 gatekeeper.
A GUI for Wine.