component-library

material-ui

JavaScript

95

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

unity-ui-document-design-system

C#

77

Drop-in design system for Unity 6 UI Toolkit (UIDocument + PanelRenderer, UXML + USS): tokens, fx shader material support, 42 components, 120 icons, mobile-responsive, dark-themed. One stylesheet, zero dependencies. Battle-tested in a shipping cross-play game.

threeui

HTML

85

Open-source ThreeUI Community catalog with live interactive components and complete Community source.

ui

TypeScript

95

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

lab

TypeScript

68

A small lab of the components we build every day, rethought for better feel. Copy the source if that’s all you need. Stay for how each one was built, dead ends included, written for frontend and design engineers who want the why

react

JavaScript

100

The library for web and native user interfaces.

lifeline

TypeScript

82

A timeline component for the stories that unfold over time. Ships as a shadcn registry.

drawesome

TypeScript

72

Drawing toolbar for React.

microlighter

JavaScript

77

A zero-dep syntax highlighter that uses the CSS Highlights API

metal-fx

TypeScript

69

Animated WebGL liquid-metal effect for React buttons and UI components

langflow

Python

100

Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

interior

TypeScript

82

micro-interactions for react, built for the half-second after a click

ds.css

CSS

63

css framework recreating the DS / DS Lite's UI

next.js

JavaScript

95

The React Framework

pyre-code

Python

77

A self-hosted ML coding practice platform. 68 problems from ReLU to flow matching — attention, training, RLHF, diffusion, and more. Instant feedback in the browser.

nimbus

TypeScript

82

Docs for humans and agents, built on Astro

launch-your-agent

HTML

75

Claude Code skills that take a founder from idea to a live Claude Managed Agent: interview, scope a v0, launch in their own account, grade it, iterate, and schedule it

bolt-slides

TypeScript

80

Use any agent to create stunning, interactive presentations

appless

TypeScript

72

What if your phone had no apps