The core activity of RGR Software AG is the development and provision of IT services, particularly in the banking and stock exchange segment. This includes: the development of interface developments for the mainframe area (IBM) and decentralized client-server systems (UNIX and Windows); the provision of solutions for efficient stock exchange trading, such as the RTradeLink product; the assumption of outsourcing tasks for customers, including the maintenance of applications and hardware; the provision of remote maintenance and support of IT systems; and the configuration and distribution of Sun hardware as an authorized Sun partner.