Linear Algebra by Gilbert Strang @ MIT OCW.

Algorithms (Princeton) @ Coursera (Part 1 and Part 2) by Robert Sedgewick and Kevin Wayne.

Algorithms: Design and Analysis (Stanford) @ EdX (Part 1 and Part 2) by Tim Roughgarden.

Machine Learning (Stanford) @ Coursera by Andrew Ng.

Udacity Self-Driving Car Engineer NanoDegree.