👩‍💻👨‍💻 Awesome cheatsheets for popular programming languages, frameworks and development tools. They include everything you should know in one single file.

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

Curated list of project-based tutorials

All Algorithms implemented in Python

📚 Freely available programming books

💯 Curated coding interview preparation materials for busy software engineers

😎 Awesome lists about all kinds of interesting topics

The PHP Interpreter

OpenTelemetry auto-instrumentation and instrumentation libraries for Java

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

Master programming by recreating your favorite technologies from scratch.