Distributed Authoring Tools:
AOLpress (free for Win95, Mac, Solaris):
http://www.aolpress.com/press/index.html
http://www.microsoft.com/frontpage/
http://home.netscape.com/comprod/products/navigator/gold/
Amaya (free for Linux, Solaris):
http://www.w3.org/pub/WWW/Amaya