In the paper we give the insight in the development of the modern digital university management and student records and infonnation platform ORTUS and its role in supporting the internal quality assurance system at the Riga Technical university (RTU). RTU is the oldest university of Latvia with specialisation in Engineering, ICT and Natural sciences and also Economics, Entrepreneurship and Architecture. RTU has more than 16 000 students and about 800 academic staff. ORTUS system allows access of students. academic staff and other employees to the ecourses, regulations and rules, project management system and science information system that includes all publications and other research outcomes of the RTU staff. Currently students are members of unified university's Moodle system, and they have a possibility to choose of about 2500 different subjects. ORTUS system includes also e-mail system for all students and staff, as well as actual news and other information, as well as room planning system. The RTU student survey system in ORTUS environment as an important pa11 of internal quality assurance is discussed.