MUI – Lightweight Material Design CSS Framework

In plain words

MUI is a lightweight CSS framework based on Google's Material Design principles. It provides developers with pre-built components and styling tools to create responsive web interfaces quickly. The framework includes buttons, panels, containers, and other UI elements that follow Material Design guidelines. MUI is designed for web developers building modern applications who want a streamlined alternative to heavier design frameworks.

written from the facts on this page · September 2026

From the sources

<!doctype html> < html > < head > < meta charset = "utf-8" > < meta http-equiv = "X-UA-Compatible" content = "IE=edge" > < meta name = "viewport" content = "width=device-width, initial-scale=1" > <!-- load MUI --> < link href = "//cdn.muicss.com/mui-0.10.3/css/mui.min.css" rel = "stylesheet" type = "text/css" /> < script src = "//cdn.muicss.com/mui-0.10.3/js/mui.min.js" ></ script > </ head > < body > <!-- example content --> < div class = "mui-container" > < div class = "mui-panel" > < h1 > My Title </ h1 > < button class = "mui-btn mui-btn--primary mui-btn--raised" > My Button </ button > </ div > </ div > </ body > </ html > Learn more Package Layout The MUI package includes all the…from muicss.com

• 
  MUI2016 · muicss.com · ▲6

  Highly hackable + lightweight Material Design CSS framework.

• 
  Material UI2014 · mui.com · ▲247

  A CSS Framework that Implements Google's Material Design

• 
  Mobi.css – A lightweight, flexible CSS framework that focuses on mobile2016 · github.com · ▲91

  A lightweight, scalable, mobile-first CSS framework - mobi-css/mobi.css

• 
  Mui2019 · kickstarter.com · ▲164

  An interactive wood panel for peaceful digital living

• 
  Tailwind CSS2017 · tailwindcss.com · ▲420

  A utility-first CSS framework for rapid UI development

• 
  Sumi.css – CSS Framework1d ago · github.com · ▲93

  A minimalist, classless-first CSS framework. Contribute to vladocar/Sumi.css development by creating an account on GitHub.

• 
  /dev/null▲489

  a social network for devs

  Dev tools · 3d ago · dev-null.sh

• 
  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 28d ago · github.com

• 
  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 26d ago · github.com

• 
  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 23d ago · openbot.run

• 
  Talanoa▲346

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 21d ago · talanoa.email

• 
  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

• 
  Startup Stash▲3,255

  A curated directory of 400 resources & tools for startups

  Life & fun · 2015 · startupstash.com

• 
  Remote OK▲959

  The biggest remote job board on the web

  Work · 2015 · remoteok.com

• 
  Pablo by Buffer▲905

  Create engaging images for your social media posts in 30s

  Growth · 2015 · buffer.com

• 
  Notify▲791

  Get notified in Slack when your startup is mentioned online

  Growth · 2015 · timer.now

• 
  Documentary Addict▲663

  Largest and best curated collection of documentaries

  Life & fun · 2015 · documentaryaddict.com

• 
  Revue▲651

  Easily create an engaging, gorgeous, weekly digest

  Growth · 2015