AI tool that turns chat prompts into working UI prototypes matching your existing design system, exportable to React and Figma.
magicpatterns.com
Results for “prototyping”
33 tools found
An open-source visual editor that lets designers edit a real React website by clicking and dragging — like Figma, but the changes go straight into the actual code.
onlook.com
Describe a hardware idea in one sentence and get back, in about two minutes, whether it's realistically buildable, what it would cost to manufacture, and a rough 3D concept — before you spend real money finding out the hard way.
canitbebuilt.ai
A browser extension that takes a snapshot of your actual live product — not a blank canvas — so a product manager can describe a change in plain English and see it applied to a real, clickable copy of the app, without waiting on a designer or developer to
alloy.app
A free Google Labs tool where you describe an app screen out loud, by text, or by sketching on paper and photographing it, and it generates a real, editable interface design — plus the actual React and Tailwind code behind it — so a non-designer can get f
stitch.withgoogle.com
A design canvas where an AI agent sits next to you and builds interfaces, graphics, and slide decks with you — and unlike most design tools, what you draw isn't a picture of an app, it IS the app: every design maps 1:1 to real React and Tailwind code, so
wonder.design
Turns a rough startup idea into a detailed, structured plan that AI coding tools like Cursor or Claude Code can actually build from, instead of guessing what you meant.
launchchair.io
JavaScript playground that evaluates your code as you type and gives instant feedback. Ideal for prototyping ideas or trying out new libraries.
runjs.app
Native macOS Python scratchpad designed for instant prototyping and interactive learning. ![Freeware][Freeware Icon]
coilpad.com
Tool for interactive prototyping.
framerjs.com
Prototyping platform for web and mobile apps.
justinmind.com
Powerful animation and prototyping application for Mac & iOS.
kiteapp.co
Simple design, prototyping and collaboration.![Freeware][Freeware Icon]
marvelapp.com
Free, open-source tool for making diagrams and GUI prototyping. [![Open-Source Software][OSS Icon]](https://github.com/evolus/pencil) ![Freeware][Freeware Icon]
pencil.evolus.vn
MockAPI is a simple tool that lets you quickly mock up APIs, generate custom data, and perform operations using a RESTful interface. MockAPI is meant to be a prototyping/testing/learning tool. One project/2 resources per project for free.
mockapi.io
Free mock REST API service providing realistic data across 9 domains (e-commerce, finance, healthcare, education, recruitment, social media, stock markets, weather, and aviation). No mandatory signup, no API keys, unlimited requests. Perfect for frontend prototyping, API testing, learning and teaching web development.
mockerito.com
Quant Ux is a prototyping and design tool. - It's completely free and also open source.
quant-ux.com
Accessible prototyping tool for various needs.
repl.it
Web-based design and prototyping platform meant for cross-domain teams. ([Source Code](https://github.com/penpot/penpot)) `MPL-2.0` `Docker`
penpot.app
Beginner-friendly, master-ready framework for rapidly prototyping and building 2D games.
mini2dx.org