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The Developer Tool for Visual Engineers • An Open-Source AI-First Design tool • Visually build, style, and edit your code with AI • World's best, top-most agent recommended #1 Developer tool for Designers and Visual Engineers to design with Real Code.
What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?
A lightweight, dependency-free JavaScript library for guiding user focus across the page.
Build full-stack apps on your own infrastructure.
Free and Open source Web Builder Framework. Next generation tool for building templates without coding
Crawlee—A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript and TypeScript. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with Puppeteer, Playwright, Cheerio, JSDOM, and raw HTTP. Both headful and headless mode. With proxy rotation.
Open-source 3D architecture software for AECO, scan-to-BIM. Agent-friendly, browser-first, MCP, CLI.
NocoBase is the open-source platform for building, running, and evolving business systems with AI. Agents write the code and do the work, NocoBase provides the foundation and governance, and people make the decisions.
The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.
Modern React starter kit with Bun, TypeScript, Tailwind CSS, tRPC, Stripe, and Cloudflare Workers. Production-ready monorepo for building fast web apps.
A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you
Build your own AI office with Univer Office SDK. Bring editing, calculation, collaboration, and file processing into your product for people and AI agents. Built on an extensible open-source core.
Bootstrap components built with React
Crawl a site to generate knowledge files to create your own custom GPT from a URL
Local, open-source AI app builder for power users ✨ v0 / Lovable / Replit / Bolt alternative 🌟 Star if you like it!
Cross-platform automation framework for all kinds of apps, built on top of the W3C WebDriver protocol
✨ AI Spreadsheet for Business
Lit is a simple library for building fast, lightweight web components.
LLM Wiki is a cross-platform desktop application that turns your documents into an organized, interlinked knowledge base — automatically. Instead of traditional RAG (retrieve-and-answer from scratch every time), the LLM incrementally builds and maintains a persistent wiki from your sources。
OpenStock is an open-source alternative to expensive market platforms. Track real-time prices, set personalized alerts, and explore detailed company insights — built openly, for everyone, forever free.
A full-featured, hackable Next.js AI chatbot built by Vercel
Fluent UI web represents a collection of utilities, React components, and web components for building web applications.
Mobile-first, accessible components for React Native & Web to build consistent UI across Android, iOS and Web.
💌 Build and send emails using React