Online Reference
StatSoft
Electronic Textbook - online and download
HyperStat
Online Textbook
Statistics
Glossary
Freeware
true freeware only, no demoware on this list
R
- S-Plus clone
PSPP
- SPSS clone, limited procedures
MacAnova
- full suite, not just ANOVA, not just MAC
WinIDAMS
- full suite
ADE-4
ViSta
- very graphic full suite
STATS
- stat functions for mktg. research
Blossom
- distribution-free tests
EasyReg
- econometrics suite
Mx
- matrix algebra, structural equation modeling
mix
- mixed effects modeling
PS
- determine sample size and power
G*Power
- power analysis
StatCalc
- compute distribution table values
Simtel.net
- collection of shareware and freeware
Free Online Analysis via a Web Browser
WebStat
Rweb
- Web site that runs R code
NetMul
- Web interface running ADE-4
SISA
- simple statistics, sample size
Statlets
- small data sets only; requires Java
Power
Analysis for ANOVA Designs
UCLA
Power Calculator
Statistical
Considerations
- calculate sample size, power
Java
Applets for Power and Sample Size
Java
Applets for Power and Sample Size
Major Commercial Sites
SAS
SPSS
BMDP
Minitab
S-Plus/Insightful
SYSTAT
Statistica
StatView
Stata
LISREL
EQS