CS50: Introduction to Computer Science by Harvard University — A foundational computer science course covering algorithms, data structures, programming (C, Python, SQL, JavaScript) and web development.
Introduction to Programming with Python by Alison — A beginner-friendly course aimed at those new to coding. You’ll learn variables, control structures, loops, functions, file I/O in Python
Free Data Science Courses (audit option) on edX — A collection of free-to-audit courses covering data science, Python for data analytics, machine learning, etc.
“Diploma in Bioinformatics” (via Alison) — Learn the essentials of bioinformatics: algorithms, tools, drug-discovery applications