The official press release.

Bell releases Plan 9 as open source.

A few Netkey implementations, Syslog daemon.

New Operating System with many new perspectives from the original developers of Unix. Now open source and much more developed than before.

Good starting point from Toronto.

Mainly scientific software repository for Plan 9 operating system.

List of references to various resources for Plan 9.

Bell Labs hosts this Wiki for users to promote better flow of information. A Wiki is a groupware site, a portion of webspace which anyone may edit. Surprising amount of useful, often casually structured, information.

Some interesting points: differences between Unix and Plan 9, some special services available only on Plan 9.

Client and server implementations of the 9P and 9P2000 distributed file system protocols for Unix-based operating systems. Includes kernel modules for Linux 2.4.x and 2.6.x kernels.

Lead distributor for Plan 9 and Inferno OSs.