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Open Source Six Sigma is a publishing and licensing company that sells and licenses e-books, training manuals, and Six Sigma courses. Solutions created exclusively for consultants and training providers. Lean Six Sigma training solutions for corporate deployments & training providers online. Being an IASSC Accredited Curriculum Provider makes Open Source Six Sigma very proud. Lean Six Sigma courseware is licensed by accredited curriculum providers who have met the requirements for IASSC curriculum accreditation to corporate training programs, training groups, or individuals. View their profile as an IASSC Accredited Curriculum Provider here and discover more about IASSC here. They offer community resources that enhance your Six Sigma training. Lean Six Sigma Training Materials for Yellow, Green, and Black Belt training documents, presentations, books, and eBooks for 6 Sigma.