A fully free, browser based interactive C# tutorial with no signup or installation needed.
Machine Learning for Inverse Graphics
Numerical Computation for Mechanical Engineers
Practical Information Technology Management
Behavior of Algorithms
Combinatorial Optimization
Topics in Mathematics of Data Science
Elliptic Curves
Algorithms, Part I
The Polynomial Method
Combinatorial Analysis
Computer Games and Simulations for Education and Exploration
High-Dimensional Statistics