201.primer / css
Primer is GitHub's design system. This is the CSS implementation
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201–300 of 633 by Attention Score · Oct 29, 2026 – Nov 4, 2026 (UTC)
Primer is GitHub's design system. This is the CSS implementation
Free Bootstrap Admin & Dashboard Template Built for AI-Assisted Development
i18next: learn once - translate everywhere
An animated number component for React, Vue, Svelte, and TS/JS.
Universal icon framework. One syntax for FontAwesome, Material Design Icons, DashIcons, Feather Icons, EmojiOne, Noto Emoji and many other open source icon sets (over 200 icon sets and ~300k icons). SVG framework, React, Vue and Svelte components!
:tomato: Simple and visually-pleasing Pomodoro timer
A design system for building retro Apple interfaces
The first UI framework for the agentic era — tiny, performant, with WASM sandboxes for safe code execution.
A rich text editor React component for markdown
Build material design interfaces in record time... without stress for devs... 🍺💛
Component kit to build your Admin app with shadcn/ui
The universe in numbers. Free, open-source calculators for everything countable.
Material 3 Expressive Web Components
A premium, fully responsive furniture showroom website for SALAAR's HOME (Karachi) — built with Next.js 15, TypeScript, and Tailwind CSS. A fast frontend showroom (not e-commerce): product catalog, galleries, and WhatsApp/call contact.
The UI SDK and agent-ready developer toolkit for AI factories, robotics, and autonomous vehicles.
A rugged, minimal framework for composing JavaScript behavior in your markup.
Notion-style WYSIWYG editor with AI-powered autocompletion.
𝙃𝙪𝙜𝙚 collection of Tailwind MIT licensed (free) components, sections and templates 😎
Fast Rust-based bundler for the web with a modernized webpack API 🦀
Fast drag and drop for any experience on any tech stack
Translatedmall-admin-web is the front-end project of an e-commerce back-office management system, built with Vue 3 + Element Plus. Its main features include product management, order management, member management, promotion management, operations management, content management, statistical reports, financial management, permission management, settings, and more.
Display PDFs in your React app as easily as if they were images.
Blazor Component Library based on Material Design principles. Do more with Blazor, utilizing CSS and keeping JavaScript to a bare minimum.
Next SEO is a plug in that makes managing your SEO easier in Next.js projects.
💼 An enterprise-grade Next.js boilerplate for high-performance, maintainable apps. Packed with features like Tailwind CSS, TypeScript, ESLint, Prettier, testing tools, and more to accelerate your development.
The U.S. Web Design System helps the federal government build fast, accessible, mobile-friendly websites.
🚀 Kick-start your C++! A template for modern C++ projects using CMake, CI, code coverage, clang-format, reproducible dependency management and much more.
Translated🌌 Your Self-hosted Comment System.
RapiDoc -WebComponent for OpenAPI Spec
A set of beautifully-designed, accessible components and a code distribution platform. Works with Go and templ. Open Source. Open Code.
Build better with Web Awesome, the open source library of web components from Font Awesome. Upgrade to Pro and ship websites faster!
Modern & private time tracking for macOS & Windows. No cloud, no registration, no paywall. Just download and track your work hours 100% offline.
A cinematic, scroll-driven 3D car landing page — a 75-frame JPG sequence rendered on HTML canvas and controlled by scroll position, built with plain HTML, CSS, and JavaScript.
Chakra UI is a component system for building SaaS products with speed ⚡️
🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.
Flat UI Free - Design Framework (html/css3/less/js). Flat UI is based on Bootstrap, a comfortable, responsive, and functional framework that simplifies the development of websites.
🧩 The Browser Extension Framework
The official, opinionated, batteries-included toolset for efficient Redux development
Type-safe search params state manager for React frameworks - Like useState, but stored in the URL query string.
A package to build progressive web apps with Go programming language and WebAssembly.
🛤 Detection of elements in viewport & smooth scrolling with parallax.
A lightweight carousel library with fluid motion and great swipe precision.
💬 Modern, responsive, cross-platform, self-hosted web IRC client
🧩 Content editing tech stack for the web - BlockSuite is a toolkit for building editors and collaborative applications.
A Powerful and All-in-One MQTT 5.0 client toolbox for Desktop, CLI and WebSocket.
Open-source JavaScript form library for React, Angular, Vue, and plain JavaScript. Render dynamic JSON-driven forms, multi-step form wizards, surveys, quizzes, and other data-entry tools.
Radzen Blazor is the most sophisticated free UI component library for Blazor, featuring 155+ native components including DataGrid, Scheduler, Charts, and advanced theming with full support for Material Design and Fluent UI. If Radzen Blazor is useful to you, a ⭐ on GitHub helps other Blazor developers find it.
SpeedTest by OpenSpeedTest™ is a Free and Open-Source HTML5 Network Performance Estimation Tool Written in Vanilla Javascript and only uses built-in Web APIs like XMLHttpRequest (XHR), HTML, CSS, JS, & SVG. No Third-Party frameworks or libraries are Required. Started in 2011 and moved to OpenSpeedTest.com dedicated Project/Domain Name in 2013.
🔥 LimeSurvey – A powerful, open-source survey platform. A free alternative to SurveyMonkey, Typeform, Qualtrics, and Google Forms, making it simple to create online surveys and forms with unmatched flexibility.
Powerful virtual data table smartsheet with advanced customization. Best features from excel plus incredible performance 🔋
A JS-independent, tree-shakeable CSS framework for building faithful recreations of the Windows 7 UI.
:ramen: A tasty Haskell web and mobile framework
PufferPanel is an open source game server management panel, designed for both small networks and personal use
🏆 Best Profile Generator, Create your perfect GitHub Profile ReadMe in the best possible way. Lots of features and tools included, all for free ! 💫
Structure-aware skeleton loader. One Web Component, every framework.
Build 3D apps with React
Cross-platform React UI packages
JavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡
A spring that solves your animation problems.
Tool for visualizing GitHub profiles
Relay is a JavaScript framework for building data-driven React applications.
Translated🚀 ice.js: The Progressive App Framework Based On React
A lightweight and modular front-end framework for developing fast and powerful web interfaces
Markdown component for React
The best JavaScript Data Table for building Enterprise Applications. Supports React / Angular / Vue / Plain JavaScript.
Simple and elegant component-based UI library
🍍 Intuitive, type safe, light and flexible Store for Vue using the composition api with DevTools support
A declarative, HTML-based language that makes building web apps fun
A free simple responsive HTML email template
TranslatedWeb Components Framework
go-admin is a Gin + Vue starter kit for admin applications, supporting Element UI, Arco Design, and Ant Design. Features include multi-tenancy, user management, JWT authentication, RBAC, code generation, a form builder, and scheduled tasks. Build your own admin app in just 3 minutes.
why-did-you-render by Welldone Software monkey patches React to notify you about potentially avoidable re-renders. (Works with React Native as well.)
Free Tailwind CSS v4 components for your next project, designed to enhance your web development with the latest features and styles 🚀
The Block Editor project for WordPress and beyond. Plugin is available from the official repository.
Powerful rich text editor framework with a modular architecture, modern integrations, and features like collaborative editing.
💻 Democratizing Snippet Management (macOS/Win/Linux)
A composable, cross-platform MVVM framework for .NET inspired by functional reactive programming. It moves mutable state out of the user interface, keeps each feature's logic in one readable place, and makes applications easier to test. Supports WPF, WinForms, WinUI, .NET MAUI, Avalonia, Uno Platform, Blazor and Android.
Simple reusable React error boundary component
A tiny (340 bytes) state manager for React/RN/Preact/Vue/Svelte with many atomic tree-shakable stores
🐒 Normalize browsers' default style
Fully customizable AI chatbot component for your website
This is the official DTCG repository for the design tokens site and specification.
Text-based user interface CSS library
bUnit is a testing library for Blazor components that make tests look, feel, and runs like regular unit tests. bUnit makes it easy to render and control a component under test’s life-cycle, pass parameter and inject services into it, trigger event handlers, and verify the rendered markup from the component using a built-in semantic HTML comparer.
:rocket: An open source alternative to searx which provides a modern-looking :sparkles:, lightning-fast :zap:, privacy respecting :disguised_face:, secure :lock: meta search engine
💫 HTML on circles. A CSS layout system for radial UIs: gauges, dials, knobs, radial menus, charts and watch faces.
A monorepo containing the packages for Esri's Calcite Design System
Open source container update monitoring — 23 registries, 21 triggers, audit log, OIDC auth, Prometheus metrics, and a modern dashboard.
OrganUI website, documentation, and component registry.
Svelte data table spreadsheet best best features and performance from excel
Component infrastructure and Material Design components for Angular
A lightweight, customizable Vue UI library for mobile web apps.
Modern React starter kit with Bun, TypeScript, Tailwind CSS, tRPC, Stripe, and Cloudflare Workers. Production-ready monorepo for building fast web apps.