1)   StatCalc 5.4.3
Easy to use desktop analysis tool that simplifies common statistical calculations and also allows quick analysis of raw data whether you enter it yourself, use a spreadsheet, or maintain a database.

 2)   AcaStat 5.1.8
Statistical software for students and researchers. Designed as an easy to use tool for basic data exploration. Conduct statistical analyses and prepare summary reports. Special student prices. Free academic site licenses for school labs.

 3)   ESBStats - Statistical Analysis Software 2.0.0
Statistical Analysis and Inference Software for Windows with Average, Mode and Variance through to Hypothesis Analysis, Time Series and Linear Regression. Includes Online Help, Tutorials, Graphs, Summaries, Import/Export and much more.