Type System Courses

TypeScript for Professionals - by Basarat
Udemy

TypeScript Deep Dive
Independent

TypeScript Basic: Type System, Interfaces, Types, Generics
Udemy

Beginning TypeScript
Laracasts

Figma Variants – Design a Scalable Mobile App [Full Course]
freeCodeCamp

Stanford Seminar - Optional Static Typing for Python
Stanford University via YouTube

OCaml
Exercism

Julia: Great Language or the Greatest Language - Keynote by Jan Vitek
The Julia Programming Language via YouTube

Random Variables as Types - Lecture 11
The Julia Programming Language via YouTube

What's Bad About Julia - Addressing Fundamental Issues
The Julia Programming Language via YouTube