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

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

Production-ready platform for agentic workflow development.

✨ Light and Fast AI Assistant. Support: Web | iOS | MacOS | Android | Linux | Windows

Build AI Agents, Visually

人人都能用英语

基于 ChatGPT API 的划词翻译浏览器插件和跨平台桌面端应用 - Browser extension and cross-platform desktop application for translation based on ChatGPT API.

🏠 将小爱音箱接入 ChatGPT 和豆包，改造成你的专属语音助手。

Decentralized Autonomous Regulated Company (DARC), a company virtual machine that runs on any EVM-compatible blockchain, with on-chain law system, multi-level tokens and dividends mechanism.

立党零基础转码笔记

In-browser Postgres sandbox with AI assistance (formerly postgres.new)

Sora AI Video Generator by Sora.FM

An AI chat bot for small and medium-sized teams, supporting models such as Deepseek, Open AI, Claude, and Gemini. 专为中小团队设计的 AI 聊天应用，支持 Deepseek、Open AI、Claude、Gemini 等模型。

An open-source AI content search engine designed specifically for content creators. Supports extraction of text, images, and short videos. Allows full local deployment (web app, RAG server, LLM ser…

Semantic Search on Wikipedia with Upstash Vector