A comprehensive Excel add-in for statistical and graphical analysis, widely used for Six Sigma, Lean, Quality Improvement, and general data analysis.
SigmaXL

- Excel
- AI and Machine Learning, Data Analytics, Process Control, Quality, Statistics
- Control Chart, Process Improvement, Quality Control, Quality Management, Six Sigma, Statistical Analysis, Statistical Process Control (SPC), Statistical Tests
Features:
- Statistical tests (t-tests, ANOVA, regression, chi-squared, etc.), control charts (SPC), process capability analysis, Design of Experiments (DOE), measurement system analysis (MSA), reliability analysis, multivariate analysis, Monte Carlo simulation, graphical tools (histograms, Pareto, box plots, scatter plots)
Pricing:
- Paid
- Powerful and user-friendly statistical toolkit within Excel, extensive range of tools for Six Sigma and quality improvement, good for both beginners and advanced users, includes DOE and simulation.
- Commercial software, can be expensive, some very advanced or niche statistical methods might still require dedicated standalone packages, relies on Excel for data handling and basic interface.
Best for:
- Quality professionals, Six Sigma practitioners, engineers, scientists, and business analysts who need a comprehensive statistical and graphical analysis toolkit within Microsoft Excel for process improvement and data-driven decision making.