Rlogo & Splus

R Project
R is a language and run-time environment for carrying out interactive statistical data analysis. It is not entirely dissimilar to the S language developed at AT&T Bell Laboratories. S users will find the environment familiar and a good deal of S software are will run without change under R.
Insightful Corp. -- official site for S Plus information
Splus Help
Splus software archive (Statlib) StatLib S and Splus archives
S-news Archive (Statlib) S-news archive, in digest form from the time of its creation. Now has a search capability .
Trellis Graphics in S and S Plus . Contains links to postscript documents describing Trellis. Index of /pub/S Material for Brian Ripley's Introductory Guide to S-Plus
The BUGS Project - Bayesian inference Using Gibbs Sampling
ESS: Emacs Speaks Statistics
S/Java Connection A programming environment that links the S and Java languages
New Programming with Data A guide and reference to the version of S underlying S-Plus Versions 5.0 and later
Mosaic Web Page Mosaic displays in S-Plus, by Jay Emerson.