General Structural Equation Modeling Software Packages

Commercial Packages
AMOS     SmallWaters
EQS      Multivariate Software
LISREL  Scientific Software
Mplus    Muthen & Muthen
SEPath StatSoft
Tetrad   The Tetrad Project

Freeware
LEM      by J. Vermunt
Mx       by Mike Neale

Other Structural Equation Modeling Pages:
Ed Rigdon's SEM Homepage SEMNET FAQ & archives, links...
Working Group: SEM Manuscripts, links, etc.
Robert MacCallum's Homepage Manuscripts and SAS Macros
Joel West's Home Page Links to statistical software, etc.
David MacKinnon's Statistical Mediation Homepage
David Kenny's Page Manuscripts and Software
Peter Bentler's Page Manuscripts
Bengt Muthen's Page Manuscripts and Software
Jason Newsom's SEM reference list
Patrick Curran's Homepage
Albert Satorra's Homepage

Statistical Methods for Longitudinal and Clustered Data
Multilevel Models Project, UK    newsletters, working papers, software link
MLwiN software from the Multilevel Models Project (commercial)
LAMMP: Longitudinal and Multilevel Models Project Home of HLM software
Archives of the Multilevel Model Discussion Group (who said what, to who, when?)
MIXOR, MIXREG, MIXGSUR, MIXNO, & MIXPREG   (free DOS and Windows software)
Longitudinal data analysis (Don Hedeker)
BUGS Software Bayesian inference Using Gibbs Sampling (free DOS and Windows software)
WesVarPC from Westat software for analysis of complex survey data (free Windows software)
MAREG estimate marginal regression models (free DOS and Windows software)
Harvey Goldstein's downloadable manuscripts
Joop Hox' Homepage 
mySOE   Links to references, software, people

Other Statistical Software Applications
Missing data
Multiple Imputation Online
Prevention Science Methodology Group    SIRNORM.SAS a SAS/IML macro.
Joe Schafer's Page multiple imputation software (free for S+ and Windows)
Amelia software for multiple imputation (free)
EMCOV estimate covariance matrix and mean vector (free DOS executable)
UT Austin FAQ on missing data
Paul Allison's SAS macros: EM algorithm and data augmentation
Michael Friendly's SAS macro for incomplete n-way contingency tables
Steve Gregorich's SAS macro: ML item covariance matrix and mean vector by EM

Power/Sample Size Calculations.
Power Analysis Software A large list of micro computer applications..
Power Analysis in SEM, by MacCallum et al. (SAS Macro)
Prevention Science Methodology Group    web-based power analysis routine for multilevel models.
PINT estimate standard errors and sample sizes for multi-level models (free)
Java power/sample calcualtors for survival outcomes
UCSF biostat power links

Simulation
Marsaglia Random Number Generators
Monte Carlo Simulation Software
Monte Carlo Inference Software

Latent Class Analysis
Keith Markus' Latent Class Analysis Page    (free and commercial software)
John Uebersax's Latent Class Analysis Page (free and commercial software)
WinLTA : Linda Collins' Latent Class/Latent Transition Analysis software (free) .

Nonlinear Regression
Nonlinear Curve Fitter a java applet and model library
Curvefit a guide to nonlinear regression
CurveExpert equations

Network Analysis
INSNA website
Social Network Analysis Instructional Website

Other
Jim Steiger's Page Software for comparing correlations and estimating CIs for R ² (free software)
ViSta Visual Statistics (free software)
Paul Johnson's Page Lots of SAS and Stand-Alone applications (free)

On-Line Statistics Books and Manuscripts (Free!)

Probability Theory
Probability Theory: The Logic of Science, by E. T. Jaynes    (book, in preparation)
Probability Theory as Extended Logic: Bayesian. A collection of papers.

Mixed Models
Baysian Hierarchical Modeling , by David Draper (book, in preparation)
Multilevel Statistical Models , by Harvey Goldstein (book)
Applied Multilevel Analysis , by JJ Hox (book)
Multilevel Modeling Newsletter , published by the Multilevel Models Project
SAS PROC MIXED , an introduction by Judith Singer

Factor Models
Exploratory Factor Analysis by L. Tucker & R. MacCallum (book, in preparation)

The Bootstrap
JL Horowitz
J MacKinnon

General Statistical Information:
Rich Ulrich's Statistical FAQ All kinds of topics covered
Statnotes: An online textbook (!) by G. David Garson
University of Texas Statistical Support Group Tutorials and FAQs 

General Mathematical Information:
MSSS Math Tutorials, etc.