StudOn
StudOn ist an online-learning website where professors upload supplement material like scripts and exercises.
Campo
Campo is the website for the registration and cancellation for exams. Each semester, there is one specific week for registration which you shouldn’t miss out, but you will get an email reminder when the exam registration period occurs.
Besides this, you can find your grades of your passed exams, as well as your certification of enrollment and transcript of records.
Library
Here you can search for books and if they are available in your selected library. For some books, there is an online version of the content available.