Inc. Home page of Statware, makers of the Statit series of graphical data analysis packages. Gives some comparative information on a variety of software packages for analyzing data with complex sampling schemes, and references to published review articles. This software is designed for, you guessed it, surveys. Handles survey research from questionnaire design to data entry. Add-on modules provide capabilities for multiple response variables, voice capture, and statistical analysis.
Site also includes a simple sample size calculator .
A demo is available which only works with the canned data sets provided. For Windows only. ViSta Forrest Young's ViSta homepage. Vista is a GUI stats package based on the XLispStat engine. Available for Mac, Windows, and Unix.