Software

Agna
Platform-independent freeware for social network analysis, sociometry and sequential analysis.
http://www.geocities.com/imbenta/agna/

Algoval
A system for automatically evaluating algorithms on datasets for specified problems. The results of each evaluation are published on the site's web server for immediate dissemination.
http://algoval.essex.ac.uk/

AM Statistical Software
Package to analyze data from complex samples, especially large-scale assessments. Available for free from the American Institutes for Research. Download, support (software, database), manual, registration.
http://am.air.org/

aML Multilevel Multiprocess Modeling
Statistical software for multilevel, multiprocess models. Developed by Lillard and Panis, marketed by EconWare.
http://www.applied-ml.com/

Analytical Software
Makes and sells Statistix statistical analysis program, designed to be easy to use for researchers who are not statisticians.
http://www.statistix.com/

Apophenia
Statistics library for C. Has functions on the same level as those of typical statistics packages (OLS, Probit, singular value decomposition, &c.) but doesn't tie users to an ad hoc language or environment.
http://apophenia.sourceforge.net/

BioStat by LemnaTec
The program supplies test protocols for a growing number of standardised bio-tests such as growth inhibition. Free trial download.
http://www.lemnatec.com/biostat_software_en.htm

CAMO Inc.
Provides details of the multivariate data analysis software products and the analytical modeling, prediction and optimization solutions available.
http://www.camo.com/

Civilized Software
Makers of MLAB Mathematical and Statistical Modeling System for research, exploration, and scientific data analysis, including ODE models.
http://www.civilized.com/

CLEAVE: C Language Exploratory Analysis of Variance
Free, open-source ANOVA software for large data sets which handles several multiway design types and includes robustness and post-hoc test enhancements.
http://www.ebire.org/hcnlab/software/cleave.html

The Clusutils Package
Two programs to help researchers study data clustering algorithms: clusgen generates artificial data sets and cluscomp compares partitions of a data set.
http://clusutils.sourceforge.net/

DAG_Stat - Diagnostic and Agreement Statistics
Excel spreadsheet; calculates wide range of statistics (and confidence intervals) for assessing performance of diagnostic tests and inter-rater reliability of dichotomous ratings.
http://www.mhri.edu.au/biostats/DAG_Stat

Data Description, Inc.
Develops, sells, supports statistics and statistics training software for Macintosh, Windows 9x/NT/2000/XP.
http://www.datadesk.com/

DataLab
Windows-based program for exploratory data analysis, offering important methods of statistical analysis and data visualization: regression, statistical test, cluster analysis, principal components, KNN classification, MLR, PCR, neural networks. Evaluation copy free; on-line purchase of full version.
http://www.lohninger.com/datalab.html

DataRevelation
Software for automatic, multivariate statistical modeling.
http://www.datarevelation.com

Discerning Systems Inc.
Statistical software for ground-water and environmental detection, compliance, assessment and remediation monitoring.
http://www.dsi-software.com/

DTREG
Generates classification and regression decision trees that model data and can be used to predict future values. Uses V-fold cross validation and pruning to make optimal size trees, and surrogate splitters for missing values.
http://www.dtreg.com/

EstaPlus
Descriptive statistics software that can analyze and plot using data distributed in one-dimensional or two-dimensional variables, in discreet or continuous mode.
http://estaplus.100free.com/english.htm

Exploring Numerical Data (E.N.D.)
Software for university/college level social sciences introductory statistics courses featuring text material, review exercises, and calculation utilities.
http://www3.sympatico.ca/horvatht/endpage.htm

Fathom Dynamic Data
Exploration and analysis of data for students, by Key Curriculum Press.
http://www.keypress.com/fathom/

FlexPro USA
Software for data processing, post processing, statistical analysis, data storage and automated report generation. Advanced data processing includes order tracking, acoustic analysis, and inductive statistics.
http://www.flexpro-usa.com/

Free Statistics
An index of free mathematical software. Sorted alphabetically by program name. Includes screenshots. Most are for use with Windows only.
http://www.freestatistics.info/stat.php

Free Statistics Software
Free online software applications (calculators) featuring: mathematical equation plotting, descriptive statistics, multiple regression, time series analysis, and hypothesis testing.
http://www.wessa.net

FreeIRT Project
The FreeIRT Project is a database of free programs written in one of the main statistical languages (SAS, Splus, Stata...) to analyze Quality of Life Scales, mainly by the Item Response Theory (IRT)
http://freeirt.anaqol.org

Generalized Linear Latent And Mixed Model (GLLAMM)
The gllamm software estimates generalized linear latent and mixed models by maximum likelihood using adaptive quadrature. Models include multilevel, factor, latent class and structural equation models.
http://www.gllamm.org/

G*Power
A general power analysis program, free for Mac and PC. Written by E. Erdfelder, F. Faul and A. Buchner, at the University of Trier.
http://www.psycho.uni-duesseldorf.de/aap/projects/gpower/

GraphPad QuickCalcs
Dozens of free online calculators, including those for radioactivity calculations, detecting outliers, t tests, ANOVA post tests, chi-square, Fishers test, and confidence interval of a proportion.
http://www.graphpad.com/quickcalcs/

GraphPad Software
Combines basic statistics with nonlinear regression (curve fitting) and publication-quality graphics.
http://www.graphpad.com/

GSEQ: Software for the Analysis of Interaction Sequences
Useful for behavioral sequences. Includes description of the book, Analyzing Interaction: Sequential Analysis with SDIS and GSEQ, by Roger Bakeman, Vicenc Quera. English, Español.
http://www.gsu.edu/~psyrab/sg.htm

HACCP Now Software
Easy to use, reduces time and cost to implement HACCP. Includes automated wireless temperature monitoring and management tools for food businesses.
http://www.haccpnow.co.uk/

Hamilton Technical Services
Software for frequency stability analysis. Stable32, Allan variance.
http://www.wriley.com/

InfinityQS
Provides real-time quality control solutions for the shop floor, enterprise, and supply chain. Company information, details of products and services, and case studies.
http://www.infinityqs.com/

Institute for Theory Testing
Offers Detect for Windows, which decides if individual-level data should be aggregated to the group level; online ordering, tutorial, comparison, bulletin board, links.
http://www.levelsofanalysis.com/

Internet Statistics Resources
Summary and links to statistics resources available on the Internet.
http://www.utexas.edu/cc/stat/world/softwaresites.html

JMP Statistical Discovery Software
Tool for expert data analysis, design of experiments, and Six Sigma implementation. JMP is a business unit of SAS Institute, Inc. For Windows and Macintosh.
http://www.jmp.com/

Kovach Computing Services
Statistical software, including MVSP, Oriana, XLSTAT, Simstat and Data Desk.
http://www.kovcomp.co.uk/

Latent Class Analysis
Software, workshops and graphical displays.
http://www.latentclass.com/

MacAnova
Free interactive statistical program for DOS, Linux/Unix, Macintosh, Windows. Strengths: regression, ANOVA, time series analysis, macro language similar to S, R.
http://www.stat.umn.edu/macanova/

Macnaughton ANOVA SS
Links to material and computer programs by Donald Macnaughton about computing sums of squares in unbalanced analysis of variance.
http://www.matstat.com/ss/

MacStats
Clearinghouse for information about Mac software for statistical analysis, including regression, ANOVA and structural equation modeling, as well as general math software. Covers Mac OS 7 through OS X.
http://www.macstats.org/

Math Stat Software
Programs offered include data acquisition, visualization, analysis, decision analysis and neural networks, econometrics, time series, forecasting, graphing, and curve fitting. Page lists products and descriptions.
http://www.mathstat.com.au/

MedCalc
Program for biomedical research. Includes free trial.
http://www.medcalc.be/

Meta Analysis Statistical Software
A statistical analysis package for research synthesis. Free trial download.
http://www.meta-analysis.com/

MetaWin
A statistical software package for meta-analysis calculations.
http://www.metawinsoft.com/

Mondrian: Graphical Data Analysis
Mondrian is a platform independent statistical data analysis tool which uses the paradigm of interactive linked graphics. Graphics in Mondrian are: Histograms, Scatterplots, Parallel Coordinate Plots, Barcharts, Mosaic plots, (parallel) Boxplots, weighted plots and Maps.
http://www.rosuda.org/mondrian/

Mondrian: Interactive Statistical Data Analysis
Mondrian is an interactive statistical data analysis and data visualization software. It is platform independent and runs on Windows, MacOS X and UNIXes.
http://www.rosuda.org/Mondrian/

MultiSimplex
Experimental design and multicriteria optimization software, based on fuzzy logic and the simplex method for sequential design of experiments. Windows-based, download trial version.
http://www.grabitech.com/Multisimplex.htm

Mx
Matrix algebra interpreter and numerical optimizer for structural equation modeling and other types of statistical modeling of data.
http://www.vcu.edu/mx/

NCSS
Data analysis, statistical analysis, and statistical graphics analysis package.
http://www.ncss.com/

OpenEpi
OpenEpi is a project to create open source software for epidemiologic statistics in JavaScript and HTML, and can be run from the web site or downloaded and run locally.
http://www.openepi.com

Partek Inc. - Pattern Recognition Software
Statistical and visual data analysis software. Widely used in life sciences and engineering for gene expression (microarray) data analysis, high throughput screening, and drug design including SAR and ADME prediction.
http://www.partek.com/

Portable TROLL
Mature integrated software system for econometric modeling, statistical analysis. For Linux, Unix; Windows. [Intex Solutions, Inc.]
http://www.intex.com/troll/

Power and Precision
Software for statistical power analysis and to calculate sample size and effect size for scientific research studies.
http://www.power-analysis.com/

Provalis Research
Makes and sells Simstat, which does uni-, bi-, multi-variate statistics, with graphics, scripting language; content analysis and text mining module, multivariate analysis, orientation statistics, education programs.
http://www.provalisresearch.com/

PS-Explore: Data Mining, Data Analysis, Statistics
PS-Explore is an advanced and easy to use statistical and database software determined for use in industry and scientific research both.
http://www.ps-explore.de/

PS-Explore/StatSys
PS-Explore/StatSys is an advanced statistical data analysis system and part of the PS-Explore product family of VGSPS mbH.
http://www.statsys.de

Recurrence Plots
Information on recurrence plots, cross recurrence plots, and their quantification; introduction, lists of books, readings, workshops, related software.
http://www.recurrence-plot.tk/

Resampling Stats
Information about the resampling method used with increasing frequency in statistics - including comprehensive directories for statistics courses and software.
http://www.resample.com/

The Rundom Site by Piotr Jadwiszczak
Shareware for randomization and bootstrap testing. Has several predefined tests, flexible scripting language to write customized tests and modify predefined ones, user-friendly interface with wizard module, script tutorial, graphical options.
http://pjadw.tripod.com/

Sagata
Design of experiments (DOE), regression data modeling, and industry-oriented software.
http://www.sagata.com/

SalStat Statistics Package
For analyzing scientific data: performs a range of tests, from descriptive statistics to analysis of variance tests and their nonparametric equivalents. Focus: ease of use. Linux, Windows. [Open Source, GPL]
http://salstat.sourceforge.net/

Science Plus Group
Was ProGAMMA bv. Develops and sells statistics software. Product categories: software for hierarchical modeling (e.g., HLM 5), agreement (e.g., AGREE 7.0), IRT and Rasch modeling, psychometrics, structural equation modeling, marketing, data mining.
http://www.scienceplus.nl/

Scientific Computing Associates
WorkBench Software for Time Series Analysis and General Statistical Analysis.
http://www.scausa.com/

Scientific Software International
Statistical software for the social sciences. LISREL for structural equation modeling, HLM for hierarchical data analysis, and BILOG, BILOG-MG, MULTILOG, PARSCALE, and TESTFACT for IRT-based test analysis.
http://www.ssicentral.com/

Simple Interactive Statistical Analysis
A collection of online statistical distributions and procedures. Includes sample size calculation, Fisher exact test, t-test, bonferroni adjustment, pairwise tests, ordinal tests, hypergeometric, binomial, poisson and weibull distributions.
http://home.clara.net/sisa

SPC Software
Packages automating the data collection, charting and analytical functions of statistical process control.
http://www.datalyzer.com/

|STAT
30 data manipulation and analysis utilities: ANOVA, regression, rank order, contingency table, time series, descriptive statistics. Written in C for DOS, Unix. Command line interface usable in shell scripts. Free.
http://oldwww.acm.org/perlman/stat/

Stata
Data analysis, management, graphics, matrix language, linear models, survey statistics, multivariate methods, multinomial and probit. Page includes list of products and employment opportunities.
http://www.stata.com/

Statcon
Statistical software in a range of products from different vendors. Training and support available for most of these. Consulting focus is Design of Experiments, Quality Control Statistics. Online ordering, in German/English.
http://www.statcon.de/

Stat-Ease, Inc.
Statistical software, training, and consulting on design of experiments for scientists and engineers.
http://www.statease.com/

Statgraphics Plus
Allows your analytical power to be integrated enterprise-wide and world-wide, via Internet: training, products, Six Sigma application.
http://www.statgraphics.com/

Statistical and Data Analysis
Performs from basic data manipulations to the advanced statistical analyses, reports and charts. Allows for import or expert of different types of files. Page lists details of package and information about the author.
http://www.visualstat.com/

Statistical Computation Website
Online software for calculating basic statistics from Vassar College.
http://faculty.vassar.edu/~lowry/VassarStats.html

Statistics101
Free Java program, Statistics101, executes the Resampling Statistics language that was developed by Julian Simon and Peter Bruce. Purpose: Learn, explore and apply Monte Carlo, resampling, and bootstrap techniques.
http://www.statistics101.net

Statistics Online Computational Resources
The SOCR Resource includes a number of probability and statistics applets, user interfaces and demonstrations, which are fully accessible over the Internet.
http://socr.stat.ucla.edu/

Statistics Toolbox for MATLAB
Provides functions and interactive tools for analyzing historical data, modeling data, simulating systems, developing statistical algorithms, and learning and teaching statistics.
http://www.mathworks.com/products/statistics/

Statit Software
Quality improvement software, quality control software and data analysis software for the enterprise. Also, solutions for desktop users.
http://www.statit.com/

StatLib Index
System for distributing statistical software, datasets, and information by electronic mail, FTP and WWW.
http://lib.stat.cmu.edu/

StatPlus
Easy-to-use statistical data processing program.
http://eng.statplus.net.ua/

StatsDirect
Comprehensive, multi-functional statistical software with online statistical help/guide.
http://www.statsdirect.com/

StatSoft
Developers of Statistica.
http://www.statsoft.com/

StatView
Software for statistical analysis.
http://citewise.adeptscience.co.uk/statview/

StatView Software
Product information and technical support for the statistical analysis and viewing software.
http://www.statview.com/index.html

Stegmann Systemberatung
Analysis of parallel-line bioassays according to international standards.
http://www.bioassay.de

StudyResult
Statistics package to calculate p-values and confidence intervals via summary statistics. Includes some common statistical tests and distributions.
http://www.studyresult.com/

StudySize
Program to analyze any parameter in a sample size calculation. Has most common tests, point estimates, confidence intervals.
http://www.studysize.com/

TexaSoft
WINKS statistics and data analysis software.
http://www.texasoft.com/

Trending
A web-based tool that provides a graphical view of data trends across multiple time periods with drill down capability.
http://www.qualitechsolutions.com/trending.htm

Umetrics
Windows software for Multivariate Data Analysis (MVDA), Modeling and Design of Experiments (DOE). The software, MODDE and the SIMCA-series are state-of-the-art.
http://www.umetrics.com/

Utilities for Statistical Analyses
Programs written in Pascal for Windows and SPSS-macros including random eigenvalues, collapsing correlation matrices and standard deviations from several independent samples, and statistical tests.
http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Software/Enzmann_Software.html

VisiCube
Exploratory data analysis (EDA) application for Windows. Uses plots such as Box Array, Box Plot, Quantile Array, Scatter Plots (2D, 3D and Matrices), and Time-Series (Arrays and Matrices). EDA findings can be saved and revisited using a visual library. Full functionality shareware except for publication capabilities, which must be purchased.
http://www.datamology.com/

ViSta -- The Visual Statistics System
Analysis tool developed by Dr. Forrest Young at UNC-Chapel Hill. Focus: visual analysis of data in a Clementine/Intelligent Miner workflow GUI. Includes Multivariate and Univariate Analyses. [Open Source]
http://forrest.psych.unc.edu/research/

VSN International
Statistics and data-analysis software and services, including GenStat, AS Reml.
http://www.vsn-intl.com/

Web Pages that Perform Statistical Calculations
Links to statistics software, together with books, tutorials, downloads and related resources.
http://www.geocities.com/Heartland/Flats/5353/research/statcalc.html

WebDOE
Offers an optimal DOE engine and an extensive library of classical designs through an easy-to-use Web interface.
http://www.webdoe.cc/

web:reg
Primarily econometrical Excel add-ins and other programs to conduct various procedures (Hodrick Prescott, Bandpass, Baxter King, ADF, ARIMA, Correlogram).
http://www.web-reg.de/

Windostat
Spreadsheet program for data input and analysis. Can perform sequencing functions and create graphs.
http://members.fortunecity.com/indostat

X-Techniques, Inc.
Makes and sells XPro statistical package, for data analysis in clinical trials, rapid drug approvals, agricultural and industrial experiments; exact powerful tests, confidence intervals in all statistical uses includes mixed models, repeated measures, variance components, growth curves.
http://www.x-techniques.com/