Virtual whiteboard for sketching hand-drawn like diagrams

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

🤯 Lobe Chat - an open-source, modern-design AI chat framework. Supports Multi AI Providers( OpenAI / Claude 4 / Gemini / Ollama / DeepSeek / Qwen), Knowledge Base (file upload / knowledge managemen…

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable an…

The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.

very good whiteboard SDK / infinite canvas SDK

Build AI Agents, Visually

🔥 Turn entire websites into LLM-ready markdown or structured data. Scrape, crawl and extract with a single API.

Presentation Slides for Developers

✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML, CSV and more, into interactive graphs.

🧡 Everything is RSSible

Actor-based state management & orchestration for complex app logic.

🎉 A Vue.js 3 UI Library made by Element team

Redefined chart library built with React and D3

🚀 Beautiful, fast and modern React UI library. (Previously NextUI)

Conversational RPA SDK for Chatbot Makers. Join our Discord: https://discord.gg/7q8NBZbQzt

The Cursor for Designers • An Open-Source Visual Vibecoding Editor • Visually build, style, and edit your React App with AI

AI agent stdlib that works with any LLM and TypeScript AI SDK.

Etherpad: A modern really-real-time collaborative document editor.

A Vue 3 Component Library. Fairly Complete. Theme Customizable. Uses TypeScript. Fast.

A full-featured, hackable Next.js AI chatbot built by Vercel

AI PDF chatbot agent built with LangChain & LangGraph

An enterprise-class low-code technology stack with scale-out design / 一套面向扩展设计的企业级低代码技术体系

Notion-style WYSIWYG editor with AI-powered autocompletion.

🦜🔗 Build context-aware reasoning applications 🦜🔗

Rich-text editor with AI, MCP, and shadcn/ui

Simple, powerful and flexible site generation framework with everything you love from Next.js.

A beautiful yet powerful syntax highlighter

🥊 Tiny 200 byte functional event emitter / pubsub.