Six Sigma is a business management strategy originally developed by Motorola, USA in 1986. Six Sigma seeks to improve the quality of process outputs by identifying and removing the causes of defects (errors) and minimizing variability in manufacturing and business processes. wikipedia.org

Lean manufacturing or lean production, often simply "lean", is a systematic method for the elimination of waste within a manufacturing system. wikipedia.org

Microsoft Visio, formerly known as Microsoft Office Visio, is a commercial diagramming program for Microsoft Windows that uses vector graphics to create diagrams. wikipedia.org

Process improvement is a series of actions taken by a process owner to identify, analyze and improve existing business processes within an organization to meet new goals and objectives. wikipedia.org

Process engineering focuses on the design, operation, control, optimization and Intensification of chemical, physical, and biological processes. wikipedia.org

Wireframe building and UI design software that offers interactive mockups creation and collaboration.