Sigma Magic!

RStudio™ is a new integrated development environment (IDE) for R. RStudio combines an intuitive user interface with powerful coding tools to help you get the most out of R.

PSPP is a free software application for analysis of sampled data. It has a graphical user interface and conventional command line interface. It is written in C, uses GNU Scientific Library for its mathematical routines, and plotutils for generating graphs. It is intended as a free replacement of the proprietary program, SPSS.

SOFA Statistics is an open-source statistical package, with an emphasis on ease of use, learn as you go, and beautiful output. The name stands for Statistics Open For All. It has a graphical user interface and can connect directly to MySQL, SQLite, MS Access, and MS SQL Server. Data can also be imported from CSV or MS Excel files. The main statistical tests available are Independent and Paired t-tests, Wilcoxon signed ranks, Mann–Whitney U, Pearsons chi square, Kruskal Wallis H, one-way ANOVA, Spearmans R, and Pearsons R. Nested tables can be produced with row and column percentages, totals, sd, mean, median, and sum. »

DataCracker is a new web-based survey analysis tool that makes it easy for anyone to find and share insights from their surveys.

Minitab 16 is the leading statistical software for analyzing data in Lean Six Sigma quality and process improvement projects, and in statistics education.

Is a cross-platform software package for econometric analysis, written in the C programming language that can import SPSS data files.

RKWard is an easy to use, transparent frontend to the R programming language, a very powerful, yet hard-to-get-into scripting-language with a strong focus on statistic functions. RKWard tries to combine the power of the R-language with the ease of use of commercial statistical packages. Although it can run in numerous environments, it was designed for and integrates with the KDE desktop environment.

SPSS is a computer program used for statistical analysis. In 2009 SPSS re-branded its software packages as PASW (Predictive Analytics SoftWare). This software puts the power of advanced statistical analysis in your hands. Whether you are a beginner or an experienced statistician, its comprehensive set of tools will meet your needs. The company announced July 28, 2009 that it was being acquired by IBM and it became "SPSS: An IBM Company".

Statwing was built by and for analysts, so you can clean data, explore relationships, and create charts in minutes instead of hours.Simply upload your spreadsheet or dataset, then select the relationships you want to explore.

A simple Six Sigma Calculator Firefox and Opera Add-on to calculate the DPM value.

EViews (Econometric Views) is a statistical package for Windows, used mainly for time-series oriented econometric analysis.

Revolution Analytics provide commercial support and software for the open source R - the world's most powerful statistics software.

PAST is a free, easy-to-use data analysis package originally aimed at paleontology but now also popular in many other fields. It includes common statistical, plotting and modelling functions.