The Software Engineering Institute

The Software Engineering Institute (SEI) is a research organization that helps improve how software is developed and maintained. It provides expertise, best practices, and tools to organizations to create reliable, secure, and high-quality software systems. Originally established by the U.S. Department of Defense, SEI offers frameworks for assessing and improving software processes, such as the Capability Maturity Model Integration (CMMI). Its work supports both government and private sectors, ensuring that complex software projects are efficient, trustworthy, and meet users' needs.