Master programming by recreating your favorite technologies from scratch.
- programming
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Repository Index
72,862 visible repositories in the index
1–24 of 3,732 · Most stars
A collective list of free APIs
- api
- public-apis
- free
- apis
freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
- learn-to-code
- nonprofits
- programming
- nodejs
Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.
- programming
- development
- design
- design-system
Interactive roadmaps, guides and other educational content to help developers grow in their careers.
- computer-science
- roadmap
- developer-roadmap
- frontend-roadmap
The definitive list that answers "I want to do X in Python, which tool should I use?"
- awesome
- python
- python-frameworks
- python-libraries
Curated list of project-based tutorials
- tutorial
- project
- beginner-project
- webdevelopment
A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.
- awesome
- awesome-list
- lists
- manuals
Free domain registration and practical DNS learning resources for everyone.
- domain
- domain-platform
- domains
- free
Translated:books: Essential foundational knowledge for technical interviews, Leetcode, computer operating systems, computer networks, system design
A book series (2 published editions) on the JS language.
- book-series
- javascript
- closures
- prototypes
TranslatedJava interview & general backend interview guide, covering computer fundamentals, databases, distributed systems, high concurrency, system design, and AI application development
JavaScript Style Guide
- javascript
- eslint
- naming-conventions
- arrow-functions
Curated coding interview preparation materials for busy software engineers
- interview-questions
- coding-interviews
- interview-practice
- interview-preparation
A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
- free-for-developers
- awesome-list
Crack LeetCode, not only how, but also why.
TranslatedHello Algo (《Hello 算法》): An animated, illustrated data structures and algorithms tutorial with one-click code running. Supports Simplified Chinese, Traditional Chinese, English, and Japanese, and provides code implementations in Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart, and more
- algorithms
- data-structures
- data-structures-and-algorithms
- dsa
Coding articles to level up your development skills
- awesome-list
- javascript
- snippets
- learning-resources
A collection of DESIGN.md files analysis by popular brand design systems. Drop one into your project and let coding agents generate a matching UI.
- awesome-list
- design-md
- design-system
- landing-page
21 Lessons, Get Started Building with Generative AI
This project is dedicated to collecting high-quality macOS software and organizing them systematically by different categories for easy search and use.
- macos
- software
- mac
- mac-osx
Implement a ChatGPT-like LLM in PyTorch from scratch, step by step
- gpt
- large-language-models
- llm
- python
✅ The Node.js best practices list (July 2026)
- nodejs
- javascript
- best-practices
- styleguide
A collection of (mostly) technical things every software developer should know about
- cc-by
- computer-science
- educational
- novice