JASP (Quality Control module)
Open sourceOpen-source statistics
Free open-source statistics program whose Quality Control module adds control charts, capability, MSA and DOE.
- SPC
- Capability analysis
- MSA
- DOE
- Pricing
- Free
- Deployment
- Desktop
Six Sigma software: statistics and DMAIC project toolsProve the cause with data.
Six Sigma software covers two jobs: the statistical analysis inside a DMAIC project and, in some tools, tracking the project itself. Options run from free open-source statistics packages and spreadsheet add-ins to full desktop suites, so the right choice depends on who analyzes data and how often.
Who it's for
Black belts, green belts and quality engineers running structured improvement projects. It also suits training programs that need a consistent toolset for every candidate.
Showing 3 of 3 tools
1 2 Statistical discovery
Interactive statistics software from JMP Statistical Discovery with strong DOE, quality and visual data exploration.
- DOE
- SPC
- MSA
- Capability analysis
- Regression
- Pricing
- Published pricing
- Deployment
- Desktop
3 Statistical analysis
Widely used statistics package for Six Sigma with control charts, capability, MSA, DOE and hypothesis tests.
- SPC
- DOE
- MSA
- Capability analysis
- Hypothesis testing
- +1 more
- Pricing
- Published pricing
- Deployment
- Desktop, Cloud
The basics
What is six sigma software?
Six Sigma software provides the statistics a DMAIC project needs. Typical features are measurement system analysis, capability, hypothesis tests, regression and designed experiments.
Measurement system analysis, often a gauge R&R study, checks that the data can be trusted before analysis starts. Capability analysis compares process spread with the specification limits.
Designed experiments test several factors at once to find which ones matter. The NIST/SEMATECH e-Handbook covers each of these methods.
Paper, spreadsheet or software?
Spreadsheets handle basic charts, averages and simple capability numbers. Free and open-source packages cover much of the rest.
Dedicated software helps for designed experiments, regression with many factors and gauge studies, where manual set-up is slow and error-prone.
The routine it supports
- 1Define the project charter
- 2Check the measurement system
- 3Measure capability
- 4Test likely causes
- 5Run a designed experiment
- 6Hand off to SPC
How the listed tools are priced
- Published pricing: 2
- Free: 1
Lean Six Sigma software: statistics or project tracking
Statistical software for Six Sigma does the analysis: capability, hypothesis tests, regression, designed experiments and gauge studies. It is used by the belt working on a project, often only during Measure and Analyze.
Six Sigma project management software does something different. It tracks charters, tollgate reviews and savings across many projects for the program office. The operational excellence software category covers these tools.
Some suites do both, but many programs pair a statistics package with a separate tracker. Decide which job you are buying for before you compare products.
Free Six Sigma software options
Free and open-source statistics packages can run most green belt analyses, including control charts, capability, hypothesis tests and regression. Several offer point-and-click menus, so users do not need to write code.
The trade-offs are usually guidance and support. Paid tools tend to add assistants that pick the right test, DMAIC templates and training material, which matter more for occasional users.
Spreadsheets with a free data analysis add-in cover the basics too. The sigma level calculator and process capability calculator handle two common calculations without any software.
Choosing Six Sigma software for green belts and black belts
Green belts mostly need clear charts, capability and basic tests, with output they can explain to a sponsor. Black belts add designed experiments, multiple regression and measurement system analysis, so depth matters more.
If your belts train with a particular package, the course material and exam may assume it. Check what the Lean Six Sigma certification program you use expects before standardizing on a tool.
Buying guide
How to choose Six Sigma Software
Who it's for: Black belts, green belts and quality engineers running structured improvement projects. It also suits training programs that need a consistent toolset for every candidate.
What to look for
Core statistics done well
Hypothesis tests, regression, ANOVA and measurement system analysis, with plain-language output that a green belt can read.
Design of experiments
Factorial, screening and response surface designs, with help choosing the design and analyzing the results.
Guidance through each phase
Templates and tool suggestions organized by Define, Measure, Analyze, Improve and Control, so new belts know what comes next.
Fits how people already work
A spreadsheet add-in may suit occasional users better than a full desktop package. Match the tool to how often people analyze data.
Common mistakes
- Buying advanced statistics for people who run one project a year. They will forget the tool between projects.
- Skipping measurement system analysis. If the gauge cannot be trusted, every test after it is built on noise.
- Using the software to dress up a decision already made. The conclusion should come from the data.
Before you choose
Questions to ask vendors
- 1How is licensing priced for occasional users versus full-time analysts?
- 2Does it include measurement system analysis and designed experiments, or are those extra modules?
- 3Can it read data straight from our spreadsheets and databases?
- 4Is there built-in guidance for interpreting results, aimed at new green belts?
FAQ
Six Sigma Software: common questions
Can I do Six Sigma analysis in a spreadsheet?
Basic charts and tests, yes. Designed experiments, measurement system analysis and advanced regression are much easier in dedicated software or an add-in.
How is this different from SPC software?
SPC software watches a running process day to day. Six Sigma software is used during a project to find and prove root causes.
Do we need project tracking in the same tool?
Not necessarily. Many teams analyze data in a stats package and track project status and savings in a separate portfolio tool.
Which tools are used in each DMAIC phase?
Define uses a charter and SIPOC. Measure uses measurement system analysis and capability. Analyze uses hypothesis tests and regression. Improve uses experiments. Control uses control charts.
Is Six Sigma a lean tool?
Not originally. Six Sigma came from Motorola, and lean from Toyota. Lean Six Sigma combines them.
Is there free Six Sigma software?
Yes. Free and open-source statistics packages and spreadsheet add-ins cover most green belt analyses. They usually offer less built-in guidance than paid tools.
What software do Six Sigma green belts use?
Usually a statistics package or spreadsheet add-in for charts, capability and hypothesis tests. Training courses often name the package their exercises use.
What is Lean Six Sigma software?
A loose term for tools that support Lean Six Sigma work. It can mean statistics packages, project tracking tools or suites that combine both.
Sources
- NIST/SEMATECH e-Handbook: gauge R&R studies ↗
- NIST/SEMATECH e-Handbook: process capability ↗
- NIST/SEMATECH e-Handbook: design of experiments ↗
Written by the lean-stack editors following our methodology. Updated October 3, 2026.
Related categories
SPC SoftwareControl charts and capability studies for process measurements.FMEA SoftwareBuild and maintain FMEAs that stay linked to real controls.Operational Excellence SoftwareRun and report on portfolios of improvement projects.Lean Six Sigma Certification & TrainingLean Six Sigma certification from white belt to master black belt, plus lean, kanban and agile training.Root Cause Analysis SoftwareA3, 5 Whys, fishbone and 8D problem solving.CAPA SoftwareManage corrective and preventive actions from issue to verified fix.
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