Rational Team Concert (RTC) is a collaborative software development platform from IBM. It provides a set of tools and services to support a complete software development life cycle. It is built to help teams of developers collaborate on application development, from requirements gathering and design to coding and testing. It includes tools for project management, version control, build automation, defect tracking, change management, and reporting. RTC includes integrated tools and services to help teams collaborate on the development of applications, while still allowing them to use the programming language and development environment of their choice. It also supports multi-site development, allowing teams to work together in geographically dispersed locations. RTC provides an integrated platform for teams of any size, to work together on a common application development project.
Git is version control, RTC is ALM