IFPUG (International Function Point Users Group) is a non-profit, member governed organization. IFPUG is the most prestigious worldwide organization regarding IT metrics and providing to the world IT sizing software methods and standards. The IFPUG method Function Point Analysis/FPA (referred to as IFPUG CPM/Counting Practice Manual) is the worldwide recognized standard (ISO/IEC 20926:2009) used to measure the software functional size, being the base for effort estimation, and for measuring software productivity and software quality, among others. By other side, the IFPUG method SNAP (Software Non-Functional Assessment Process), worldwide standard IEEE 2430-2019, sizes the non-functional requirements of IT projects and applications, and complements the software functional size method. Both IFPUG methods, used by the most prestigious organizations in the world and governments, are international standards.