Open Source Software for Product Development
Welcome to SigmaExacta, your suite of free professional-grade tools for ideation, design, development, quality control and decision making. Ideal for both professional work and educational purposes. Master product development and engineering with instant access, no signup required, and the ability to export all your results to Excel .
What is Sigma Exacta?
In a world where professional tools are often costly and complex, we have created an alternative. We provide you with a comprehensive suite of online tools, created to simplify the most complex challenges in innovation, design, development, quality control and decision. Forget confusing spreadsheets and prohibitively expensive software. With Sigma Exacta, you get instant and free access to Capability calculators, FMEA builders, and TRIZ analysis, among many others. All of this, with precision and rigor. Discover how precision becomes accessible and quality becomes your best tool.
About the Author
Javier Casal Gómez (Spain) is an Industrial Engineer (Universidad de Vigo) with over two decades of professional experience in the transportation sector. He owns a Master in Numerical Simulation (UNED) and a MBA in automotive business (PSA Peugeot Citroën). Throughout his career, he has participated in numerous projects at top-tier multinational companies such as Stellantis, Magna International, and Mahle. It was during this journey that he identified a clear need in the market: accessible, quality tools. The existing options were limited to spreadsheets or specialized software that was both costly and complex. With the mission to simplify engineering and make precision accessible to everyone, he created Sigma Exacta. Every tool found here is a reflection of his commitment to technical excellence, designed to be intuitive and precise.
Acknowledgement
Wahyudin Syam (Indonesia) is contributing to the development of the stack-up analysis section. Dr Syam has a PhD in geometrical metrology and tolerancing (manufacturing metrology) from Politecnico di Milano and works in GMV Innovating Solutions (UK office). Wahyudin is the author of the website www.waysresearch.com
Robert Adunka (Germany) is involved in the TRIZ tool. Dr Adunka has a PhD in the field of design technology and is a lecturer in innovation methods at the East Bavarian Technical College Amberg-Weiden and the West Coast Technical College. He has worked for Siemens AG in the field of methodical product development. Robert is TRIZ master and he is the managing director of the TRIZ Consulting Group GmbH www.triz-consulting.de
