A collective list of free APIs

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

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

Stable Diffusion web UI

Get up and running with OpenAI gpt-oss, DeepSeek-R1, Gemma 3 and other models.

Open-source Windows and Office activator featuring HWID, Ohook, TSforge, KMS38, and Online KMS activation methods, along with advanced troubleshooting.

分享 GitHub 上有趣、入门级的开源项目。Share interesting, entry-level open source projects on GitHub.

🦜🔗 The platform for reliable agents.

《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 in translation

Production-ready platform for agentic workflow development.

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

🇨🇳 GitHub中文排行榜，各语言分设「软件 | 资料」榜单，精准定位中文好项目。各取所需，高效学习。

21 Lessons, Get Started Building with Generative AI

A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.

程序员在家做饭方法指南。Programmer's guide about how to cook at home (Simplified Chinese only).

A collection of (mostly) technical things every software developer should know about

Design patterns implemented in Java

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

High performance self-hosted photo and video management solution.

Python tool for converting files and office documents to Markdown.

A modern GUI client based on Tauri, designed to run in Windows, macOS and Linux for tailored proxy experience

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

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

GPT4All: Run Local LLMs on Any Device. Open-source and available for commercial use.

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

Tesseract Open Source OCR Engine (main repository)

为GPT/GLM等LLM大语言模型提供实用化交互接口，特别优化论文阅读/润色/写作体验，模块化设计，支持自定义快捷按钮&函数插件，支持Python和C++等项目剖析&自译解功能，PDF/LaTex论文翻译&总结功能，支持并行问询多种LLM模型，支持chatglm3等本地模型。接入通义千问, deepseekcoder, 讯飞星火, 文心一言, llama2, rwkv, claude2, m…

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

Fast, unopinionated, minimalist web framework for node.