Deducer is described as 'is designed to be a free easy to use alternative to proprietary data analysis software such as SPSS, JMP, and Minitab. It has a menu system to do common data manipulation and analysis tasks, and an excel-like spreadsheet in which to view and edit data frames'. There are more than 25 alternatives to Deducer for a variety of platforms, including Windows, Linux, Mac, Online / Web-based and Xfce. The best alternative is R (programming language), which is both free and Open Source. Other great apps like Deducer are RStudio (Free, Open Source), PSPP (Free, Open Source), JASP (Free, Open Source) and jamovi (Free, Open Source).
Chemoface is a novel free user-friendly interface for chemometrics. Chemoface comprises modules that can solve problems related to experimental design, pattern recognition, classification and multivariate calibration.
WinBUGS is statistical software for Bayesian analysis using Markov chain Monte Carlo (MCMC) methods. It is based on the BUGS (Bayesian inference Using Gibbs Sampling). It runs under Microsoft Windows, though it can also be run on Linux using Wine.