GitHub repositories to improve your programming skills
1. Free Programming Books
Freely available programming books
Awesome lists about all kinds of interesting topics
3. Coding Interview University
A complete computer science study plan to become a software engineer.
4. Developer Roadmap
Roadmap to becoming a web developer in 2020
5. Public APIs
A collective list of free APIs for use in software and web development.
6. Awesome Python
A curated list of awesome Python frameworks, libraries, software, and resources
8. Node Best Practices
The Node.js best practices list
9. Real World
“The mother of all demo apps” — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, and many more
10. Tech Interview Handbook
Materials to help you rock your next coding interview
12. Free For Dev
A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
13. OG AWS
Amazon Web Services — a practical guide
14. Awesome For Beginners
A list of awesome beginners-friendly projects.