SPSS (originally, Statistical Package for the Social Sciences) was released in its first version in 1968, and is among the most widely used programs for statistical analysis in social science.
STATISTICA is a statistics and analytics software package developed by StatSoft, Inc.
Stata, created in 1985 by Statacorp, is a statistical program used by many businesses and academic institutions around the world.
The SAS System, originally Statistical Analysis System, is an integrated system of software products provided by SAS Institute
S-PLUS is an advanced statistics package built upon the S programming language. Sold by Insightful Corporation, S-Plus is a value-added commercial implementation of the S language, originaly developed at AT&T Bell Labs.
The main purpose is to present useful code and techniques to increase productivity of all level of SPSS users.
JMulTi is an open-source interactive software for econometric analysis, specialised in univariate and multivariate time series analysis.
OpenBUGS is a computer software for the Bayesian analysis of complex statistical models using Markov chain Monte Carlo (MCMC) methods. OpenBUGS is the open source variant of WinBUGS (Bayesian inference Using Gibbs Sampling).
THE COMPREHENSIVE R
ARCHIVE NETWORK (CRAN)
R is `GNU S', a freely available language and environment for statistical computing and graphics which provides a wide variety of statistical and graphical techniques: linear and nonlinear modelling, statistical tests, time series analysis, classification, clustering, etc.
MiKTeX ...typesetting beautiful documents...
TeX is a typesetting system written by Donald E. Knuth, who says that it is "intended for the creation of beautiful books - and especially for books that contain a lot of mathematics".
Polish TeX Users Group
The UK TeX Archive
PSPP is free software and a part of the GNU Project. The language used by PSPP aims to be completely compatible with SPSS.
The computer program Statistical Lab (Statistiklabor) is an explorative and interactive toolbox for statistical analysis and visualization of data.
Epi Info is a public domain statistical software for epidemiology developed by Centers for Disease Control and Prevention.
CSPro is a public-domain software package for entering, processing, tabulating, and mapping census and survey data.
Vista is freely redistributable and OPEN software system