- Coursera - "Build skills with courses, certificates, and degrees online from world-class universities and companies"
- Codecademy - Courses: HTML, CSS, JavaScript, Ruby, SQL, Python, Machine Learning, Blockchain & More.
- DataCamp - "The smartest way to learn data science online"
- edX - "Access 2000 free online courses from 140 leading institutions worldwide. Gain new skills and earn a certificate of completion."
- Introduction to Linux - by the Linux Foundation
- Udemy - "Take courses from anywhere"