Master programming by recreating your favorite technologies from scratch.

21 Lessons, Get Started Building with Generative AI

The ultimate space for work and life — to find, build, and collaborate with agent teammates that grow with you. We are taking agent harness to the next level — enabling multi-agent collaboration, effortless agent team design, and introducing agents as the unit of work interaction.

A collective list of free APIs

Curated list of project-based tutorials

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

Production-ready platform for agentic workflow development.

📚 Freely available programming books

Collection of awesome LLM apps with AI Agents and RAG using OpenAI, Anthropic, Gemini and opensource models.

Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions

《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现

An open source payments switch written in Rust to make payments fast, reliable and affordable

An AI Hedge Fund Team

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

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

所有小初高、大学PDF教材。

High performance self-hosted photo and video management solution.

All Algorithms implemented in Python

The personal finance app for everyone

利用AI大模型，一键生成高清短视频 Generate short videos with one click using AI LLM.

#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

Fabric is an open-source framework for augmenting humans using AI. It provides a modular system for solving specific problems using a crowdsourced set of AI prompts that can be used anywhere.

The first real AI developer

Course to get into Large Language Models (LLMs) with roadmaps and Colab notebooks.

real time face swap and one-click video deepfake with only a single image