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