NLREG 6.2 (by Phillip H. Sherrod)
NLREG performs nonlinear regression and curve fitting

Regression Analysis - CurveFitter 1.2 (by Institute of Mathematics and Statistics)
CurveFitter performs regression analysis to estimate values of parameters.

DataFit 8.1 (by Oakdale Engineering)
DataFit curve fitting, statistical analysis and data plotting software.

Graphit 1.12 (by Gecces Software Development)
Low cost 2D function plotting software. Function comparison, delta position

FindGraph 1.81 (by UNIPHIZ Lab)
Comprehensive graphing, digitizing and curve-fitting software for engineers.

DMFitter ActiveX control 11.7.0.226 (by RRR)
Linear and nonlinear (Levenberg-Marquardt) curve fitting engine

DB Calc for Windows 3.0 (by Dirk Billand)
Scientific calculator and function plotter for engineers

Auto2Fit 3.0 (by CPC-X Software)
A revolution tools in the area of nonlinear regression and Global Optimization!

Function Grapher 3.2 (by GraphNow)
Creating 2D,2.5D, 3D function graphs, animations.

Subclassing ActiveX 1.0 (by Sensalgo Soft)
enables the subclassing of window forms, i.e. the execution of their messages

RVal 1.12 (by Brian Taylor)
Electronic Engineer's solution to finding the optimum preferred resistor values.

WebCab Optimization for Delphi 2.6 (by WebCab Components)
Add optimization & Linear Programming solver to your .NET and COM Applications.

WebCab Optimization (J2EE Edition) 2.6 (by WebCab Components)
Enterprise Java Component for solving local or global optimization problems.

WebCab Optimization (J2SE Edition) 2.6 (by WebCab Components)
Java class library for solving local or global optimization problems.

MITCalc - Springs - 15 types 1.11 (by MITCalc)
Geometrical design and strength check of 15 springs types