Master programming by recreating your favorite technologies from scratch.

Curated list of project-based tutorials

《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 代码。简体版和繁体版同步更新，English version ongoing

🤯 Lobe Chat - an open-source, modern-design AI chat framework. Supports Multi AI Providers( OpenAI / Claude 3 / Gemini / Ollama / Azure / DeepSeek), Knowledge Base (file upload / knowledge management / RAG ), Multi-Modals (Vision/TTS) and plugin system. One-click FREE deployment of your private ChatGPT/ Claude application.

21 Lessons, Get Started Building with Generative AI 🔗 https://microsoft.github.io/generative-ai-for-beginners/

A collective list of free APIs

📚 Freely available programming books

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

The first real AI developer

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

freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

Focus on prompting and generating

A curated list of free courses & certifications.

Dify is an open-source LLM app development platform. Dify's intuitive interface combines AI workflow, RAG pipeline, agent capabilities, model management, observability features and more, letting you quickly go from prototype to production.

🎓 Path to a free self-taught education in Computer Science!

High performance self-hosted photo and video management solution.

fabric is an open-source framework for augmenting humans using AI.

All Algorithms implemented in Python

安卓电视直播软件，内置直播源

We write your reusable computer vision tools. 💜

Get up and running with Llama 2, Mistral, and other large language models locally.

GoogleTest - Google Testing and Mocking Framework

Personal finance and wealth management app

Implementing a ChatGPT-like LLM from scratch, step by step

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.