Code

codecrafters-io/build-your-own-xcodecrafters-io

Master programming by recreating your favorite technologies from scratch.

562,20052,604 forksMarkdown

• awesome-list
• free
• programming
• tutorial-code
• tutorial-exercises

sindresorhus/awesomesindresorhus

😎 Awesome lists about all kinds of interesting topics [NOTE: Pull requests are temporarily disabled until I have a chance to catch up with the existing ones]

536,10638,372 forks

• awesome
• awesome-list
• lists
• resources
• unicorns

public-apis/public-apispublic-apis

A collective list of free APIs

498,59355,830 forksPython

• api
• apis
• dataset
• development
• free

freeCodeCamp/freeCodeCampfreeCodeCamp

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

459,06847,469 forksTypeScript

• careers
• certification
• community
• curriculum
• d3

morluto/reamorluto

Reverse engineer anything with agents, from app behavior down to native binaries.

455,955111,968 forksTypeScript

• agent-skills
• ai
• android
• claude-code
• cli

EbookFoundation/free-programming-booksEbookFoundation

:books: Freely available programming books

401,51467,744 forksPython

• books
• education
• hacktoberfest
• list
• resource

openclaw/openclawopenclaw

The AI that really does things. Any OS. Any Platform. The lobster way. 🦞

394,41982,880 forksTypeScript

• ai
• assistant
• crustacean
• molty
• openclaw

donnemartin/system-design-primerdonnemartin

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

377,73359,271 forksPython

• design
• design-patterns
• design-system
• development
• interview

nilbuild/developer-roadmapnilbuild

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

371,93146,156 forksTypeScript

• angular-roadmap
• backend-roadmap
• blockchain-roadmap
• computer-science
• dba-roadmap

jwasham/coding-interview-universityjwasham

A complete computer science study plan to become a software engineer.

364,31885,774 forks

• algorithm
• algorithms
• coding-interview
• coding-interviews
• computer-science

awesome-selfhosted/awesome-selfhostedawesome-selfhosted

A list of Free Software network services and web applications which can be hosted on your own servers

336,54715,822 forks

• awesome
• awesome-list
• cloud
• free-software
• hosting

vinta/awesome-pythonvinta

The definitive list that answers "I want to do X in Python, which tool should I use?"

334,40029,094 forksPython

• awesome
• awesome-list
• python
• python-frameworks
• python-libraries

mattpocock/skillsmattpocock

Skills for Real Engineers. Straight from my .agents directory.

323,22827,117 forksShell

obra/superpowersobra

An agentic skills framework & software development methodology that works.

316,92328,207 forksShell

• ai
• brainstorming
• coding
• obra
• sdlc

affaan-m/ECCaffaan-m

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

302,12344,563 forksJavaScript

• ai-agents
• anthropic
• claude
• claude-code
• developer-tools

practical-tutorials/project-based-learningpractical-tutorials

Curated list of project-based tutorials

289,63936,833 forksPython

• beginner-project
• cpp
• golang
• javascript
• project

deepseek-ai/deepseek-harnessdeepseek-ai

DeepSeek Harness: Everything is a Plugin.

280,05534,515 forksTypeScript

• ai-agents
• cordis
• dsh
• dsh-plugin

996icu/996.ICU996icu

Repo for counting stars and contributing. Press F to pay respect to glorious developers.

277,22120,663 forks

NousResearch/hermes-agentNousResearch

The agent that grows with you

263,04159,218 forksPython

• ai
• ai-agent
• ai-agents
• anthropic
• chatgpt

trimstray/the-book-of-secret-knowledgetrimstray

A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.

258,07614,858 forks

• awesome
• awesome-list
• bsd
• cheatsheets
• devops

torvalds/linuxtorvalds

Linux kernel source tree

255,54267,168 forksC

react/reactreact

The library for web and native user interfaces.

252,56552,507 forksJavaScript

• declarative
• frontend
• javascript
• library
• react

multica-ai/andrej-karpathy-skillsmultica-ai

A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.

232,61023,127 forks

anomalyco/opencodeanomalyco

The open source coding agent.

226,52230,662 forksTypeScript