1)   FindGraph 2.22
FindGraph is a graphing, curve-fitting, and digitizing tool for engineers, scientists and business. Discover the model that best describes your data.

 2)   EasyFit 3.0
EasyFit allows to easily and quickly select the probability distribution which best fits to data, reducing your analysis times and helping you make better decisions. It supports over 40 distributions, goodness of fit tests, and high-quality graphs.

 3)   Regression Analysis - DataFitting 1.7
DataFitting is a powerful statistical analysis program that performs linear and nonlinear regression analysis (i.e. curve fitting).

 4)   Data Master 2000 10.6.0.107
Free software for automation of professional measurement systems, data acquisition, processing and analysis. Especially suitable for scientists who would like to make high-performance, precise measurements in the experimental physics.

 5)   DataFit 8.1
DataFit is a tool for performing curve fitting, statistical analysis & data plotting. Fit equations with up to 100 parameters to data with up to 20 independent variables. Define your own equations or choose from over 600 pre-defined equations.