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Live Trend Topic • Hourly ISRWeb & Frameworks

React 19 & UI Engineering: Live GitHub Trending & Developer Pulse

Live radar of the most starred React UI libraries, hooks, animation engines, and frontend performance discussions.

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Top Trending React 19 & UI Engineering Repositories on GitHub

Updated hourly
freeCodeCamp/freeCodeCamp

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

457,12349,404
TypeScript
react/react

The library for web and native user interfaces.

251,07251,511
JavaScript
vercel/next.js

The React Framework

143,02634,999
JavaScript
nextlevelbuilder/ui-ux-pro-max-skill

An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.

136,26314,480
Python
react/react-native

A framework for building native applications using React

126,69025,318
C++
shadcn-ui/ui

Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

125,71013,341
TypeScript
ant-design/ant-design

An enterprise-class UI design language and React UI library

99,77854,659
TypeScript
mui/material-ui

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

99,22232,501
JavaScript
ruvnet/RuView

π RuView turns commodity WiFi signals into real-time spatial intelligence, vital sign monitoring, and presence detection — all without a single pixel of video.

98,21812,876
Rust

Hacker News Engineering Discussions on #react

Relicensing React, Jest, Flow, and Immutable.js

▲ 2280 points • by dwwoelfel498 comments →

Build Your Own React

▲ 1478 points • by pomber108 comments →

Shopify is moving from React Native back to Swift and Kotlin

▲ 1275 points • by fnthawar2957 comments →

Show HN: Performative-UI – A react component library of design tropes

▲ 1181 points • by lizhang213 comments →

React Native is now open source

▲ 1039 points • by peterhunt287 comments →

First new U.S. nuclear reactor since 2016 is now in operation

▲ 1012 points • by ano-ther1123 comments →

Community Articles & Tutorials (React 19 & UI Engineering)

Your Browser Can Do WHAT?! 5 AI Features That Actually Work

Are AI models running directly in the browser finally good enough to use in production? Let's find...

Sylwia Laskowska12 min read • ♥ 118

Eliminating First-3-Minute Churn in a Developer SaaS: Radical Simplification & Building a Custom React Product Tour

Introduction Hey everyone! I'm UK, a solo developer building SnappySnag, a visual feedback...

UK6 min read • ♥ 2

How to Keep Client-Side Animation From Taking Over Your Next.js Architecture

How to Keep Client-Side Animation From Taking Over Your Next.js Architecture A single...

Jyoti Pathak9 min read • ♥ 11

TypeScript `PropertyKey` vs `string | number | symbol`: When the Distinction Actually Matters

Most TypeScript codebases treat PropertyKey and string | number | symbol as interchangeable. The subtle semantic difference breaks type inference in Proxy handlers, Reflect operations, and generic object utilities.

jsmanifest11 min read • ♥ 0

Next.js 16 Image: priority Deprecated, quality Now Allowlisted

Next.js 16 quietly deprecated Image's priority for preload and restricts quality to an allowlist (default: 75). What breaks, plus a copy-paste cheat sheet.

Parsa Jiravand13 min read • ♥ 8

React 19.3 Fragment Refs: Skip the Wrapper Div for a Ref

React 19.3 Fragment Refs let you ref a sibling group with no wrapper div. Learn the FragmentInstance API, its limits, and get a copy-paste cheat sheet.

Parsa Jiravand11 min read • ♥ 7

Explore More Live Developer Trend Radars

#ai-agentsAI Agents & Autonomous Workflows#mcpModel Context Protocol (MCP)#llmLarge Language Models (LLMs)#ragRAG & Vector Search#webgpuWebGPU & Browser AI#rustRust Systems Programming#typescriptTypeScript & Type Systems#pythonPython & FastAPI Ecosystem#golangGo (Golang) & Cloud Native#zigZig & Low-Level Systems#webassemblyWebAssembly (WASM)#nextjsNext.js & React Server Components

Frequently Asked Questions

How often is the React 19 & UI Engineering trend radar updated?

Castov updates the React 19 & UI Engineering radar every hour using Incremental Static Regeneration (ISR), aggregating active GitHub repositories, Hacker News discussions, and Dev.to engineering articles.

How are the top React 19 & UI Engineering GitHub repositories ranked?

Repositories matching react are filtered for recent commit activity and ranked by community star velocity and fork count.

What developer tool on Castov pairs best with React 19 & UI Engineering?

We recommend using SVG to React JSX Converter (/svg-to-jsx) alongside our 100% client-side developer utilities.