1)   DTREG 3.0 DTREG is a powerful statistical analysis program that generates classification and regression decision trees that model data and can be used to predict values. Single-tree, TreeBoost and Decision tree Models can be created. 2)   Expert System Creator 2.8 Expert System Creator is a powerful, flexible, intuitive environment for the development, testing and debugging, profiling and optimization of expert system-based applications. 3)   Optimal Content Management System 5.0 Optimal Content Management System is the optimal formula, which combines the intelligence and experience of Optimal Decision System with the power of Optimal Report Generator.