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Epi Info vs Sigmetrix CETOL 6 Sigma
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Free
Statistical Analysis Software
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Statistical Analysis Software
Overview
Focus
Statistical Analysis Software
CAD Software
Product
CDC-developed public health surveillance and outbreak investigation software distributed free to health agencies.
3D tolerance analysis software integrated with CAD systems for design variation simulation.
Headquarters
Atlanta, Georgia
McKinney, Texas
Company size
201-500 employees
11-50 employees
Founded
1985
1986
Pricing details
Published rate
Free
Free options
Free plan
Source updated
Oct 29, 2026
Oct 29, 2026