Master programming by recreating your favorite technologies from scratch.

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

Curated list of project-based tutorials

📚 Freely available programming books

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

《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

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

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

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.

Get up and running with Llama 3.3, Phi 4, Gemma 2, and other large language models.

High performance self-hosted photo and video management solution.

A collective list of free APIs

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

#1 Locally hosted web application that allows you to perform various operations on PDF files

Build multi-modal Agents with memory, knowledge, tools and reasoning. Chat with them using a beautiful Agent UI.

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

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

Implement a ChatGPT-like LLM in PyTorch from scratch, step by step

An LLM-powered knowledge curation system that researches a topic and generates a full-length report with citations.

The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface.

We write your reusable computer vision tools. 💜

Drop in a screenshot and convert it to clean code (HTML/Tailwind/React/Vue)

我的电视 电视直播软件，安装即可使用

An open-source RAG-based tool for chatting with your documents.