Easy A - https://easy-a.net/
Shows the grade distributions per class and if you add in your prior coursework we can predict the workload and grades per class.
Haven’t updated it in 5 years (recently updated the data). Still pulls in slightly more than it costs to host with thousands of students adding grades a year. Probably a thousand a year.
Currently supports UIUC, UT-Austin, university of Washington and quite a few others.
I don’t really talk about it because it was built for a few friends over a weekend right before I left school. The advisors for CS at UIUC we’re always swamped so I figured I’d make a basic one with some data science. Turns out everyone liked it and participated in making it way better