Online courses I have watched/taken and/or recommend

Computer Science/Machine Learning:

• YouTube Playlist: Data-Driven Science and Engineering (Steve Brunton)
• YouTube Playlist: Linear Dynamical Systems (Stephen Boyd)
• YouTube Playlist: Convex Optimization (Stephen Boyd)
• YouTube Playlist: Information Theory, Pattern Recognition, and Neural Networks (David MacKay)
• Coursera: Machine Learning (Andrew Ng)
• Coursera: HTML, CSS, and Javascript for Web Developers (Yaakov Chaikin)

Math/Stats:

• YouTube Playlist: MIT 6.262 Discrete Stochastic Processes, Spring 2011 (Robert Gallager)

Finance:

• YouTube Playlist: MIT 15.401 Finance Theory I, Fall 2008 (Andrew Lo)