Debian
One of the major suppliers of a Linux distribution, and the host of
the V mail list.
Linux Online
Linux Online, formerly Linux Promotions, is a non-profit entity that is dedicated
to promoting Linux to the general public, and is willing to assist other
users by providing resources and support.
FreeBSD
FreeBSD is an alternative to Linux. It has not yet experienced the
commercialization that Linux has, but will run most applications available
for Linux.
FreeBSD is an advanced BSD UNIX operating system for "PC-compatible" computers, developed and maintained by a large team of individuals. FreeBSD offers advanced networking, performance, security and compatibility features today which are still missing in other operating systems, even some of the best commercial ones.
freshMeat
An essential place to look for the latest buzz on Linux and Unix.
LessTif
The main site for LessTif, a freeware Motif clone. LessTif is now the
main X version supported by V.
Team OS/2 Online
One-stop OS/2 information center.
OS/2 Warp site
Looks like it has lots of OS/2 stuff.
TeamOS/2 Deutschland e.V.
TeamOS/2 Ruhr e.V.