Ranked by Attention Score: stars gained over the last 90 complete days
1–100 of 159 by Attention Score · Aug 6, 2026 – Nov 3, 2026 (UTC)
The largest open-source library of animated, interactive, and customizable React & Next.js components for building standout web products and experiences. Built for humans and AI agents.
1,324-exercise fitness dataset — animation GIFs, 180×180 thumbnails, muscle-group & equipment data, and step-by-step instructions in 6 languages. The exercise data layer behind the LogPress app.
Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
The web framework for content-driven websites.
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
</> htmx - high power tools for HTML
Open-source self-improving QA agent for software teams. A test harness with memory. Write tests in natural language for web and mobile. agent-qa learns from every run, adapts to UI changes, and catches regressions before you ship.
Open Source Qualtrics Alternative
Beautiful Open-Source Form Builder
coss.com/ui is the official design system of Cal.com
🍿 A cross-browser library of CSS animations. As easy to use as an easy thing.
Pterodactyl® is a free, open-source game server management panel built with PHP, React, and Go. Designed with security in mind, Pterodactyl runs all game servers in isolated Docker containers while exposing a beautiful and intuitive UI to end users.
Free and Open source Web Builder Framework. Next generation tool for building templates without coding
Rich-text editor with AI and shadcn/ui
Fluent UI web represents a collection of utilities, React components, and web components for building web applications.
The official source for MDN Web Docs content. Home to over 14,000 pages of documentation about HTML, CSS, JS, HTTP, Web APIs, and more.
🚀A modern, comprehensive, flexible design system and React UI library, AI-friendly built-in.🎨Provide 3000+ Design Tokens, easy to build your design system. Make Semi Design to Any Design.🧑🏻💻 Design to Code in one click
Humanizer meets all your .NET needs for manipulating and displaying strings, enums, dates, times, timespans, numbers and quantities
Source-available agent platform for Global × China enterprises — wire every system through one agent core. Self-hosted, any LLM.
The best JavaScript Data Table for building Enterprise Applications. Supports React / Angular / Vue / Plain JavaScript.
Open-source event management and ticket selling platform — perfect for concerts, conferences, and everything in between 🎟️ If you find this project helpful, please consider giving us a star ⭐️
AWX provides a web-based user interface, REST API, and task engine built on top of Ansible. It is one of the upstream projects for Red Hat Ansible Automation Platform.
🚨 Collection of Prometheus alerting rules
🌈 An enterprise-class UI components based on Ant Design and Vue. 🐜
A JavaScript implementation of various web standards, for use with Node.js
🐉 Vue Component Framework
🔥 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.
A UI library by WeChat official design team, includes the most useful widgets/modules in mobile web applications.
Fast drag and drop for any experience on any tech stack
Developer & translator friendly web-based localization platform
The U.S. Web Design System helps the federal government build fast, accessible, mobile-friendly websites.
JavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡
The world's #1 JavaScript library for rich text editing. Available for React, Vue and Angular
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.
This is the official DTCG repository for the design tokens site and specification.
Infinite Red's battle-tested React Native project boilerplate, along with a CLI, component/model generators, and more! 9 years of continuous development and counting.
The AI agent that lives in your framework/browser
A collection of CSS3 powered hover effects to be applied to links, buttons, logos, SVG, featured images and so on. Easily apply to your own elements, modify or just use for inspiration. Available in CSS, Sass, and LESS.
A CSS-first, native, zero-build layout and styling framework for web designers.
A toolchain for building scalable, enterprise-ready component systems on top of TypeScript and Web Component standards. Stencil components can be distributed natively to React, Angular, Vue, (+ more) and traditional web applications from a single, framework-agnostic codebase.
The lightweight library for manipulating and animating SVG
Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.
An open source headless CMS / real-time database. Powerful table editor, full-text search, and SDKs for JS / React / Svelte.
The adaptive interface system for modern web experiences.
Lightweight, user-friendly onboarding tour library
TranslatedWeb Components Framework
Feature-rich and customizable data grid React component
Welcome to the PWABuilder pwa-starter! Looking to build a new Progressive Web App and not sure where to get started? This is what you are looking for!
Requirements management using version control.
A JavaScript Typing Animation Library
The Most Complete Angular UI Component Library
Pharo is a dynamic reflective pure object-oriented language supporting live programming inspired by Smalltalk.
A set of small, responsive CSS modules that you can use in every web project.
Simple and elegant component-based UI library
Bootstrap 5 & Material Design UI KIT
A UI library by WeChat official design team, includes the most useful widgets/modules.
JavaScript/TypeScript animation engine
The router for easy microfrontends
A <QRCode/> component for use with React.
Knockout makes it easier to create rich, responsive UIs with JavaScript
The Material 3 design system in Svelte, cleanly, robustly, and across disciplines.
An open source, cross-platform, extensible app launcher.
Modular, Production-Ready, Open-Source EHR
A high quality UI Toolkit built on Vue.js 2.0
Parallax Engine that reacts to the orientation of a smart device
M-Courtyard: Local AI Model Fine-tuning Assistant for Apple Silicon. Zero-code, zero-cloud, privacy-first desktop app powered by Tauri + React + mlx-lm.
Medium.com WYSIWYG editor clone. Uses contenteditable API to implement a rich text solution.
🔖 lightweight, efficient Tags input component in Vanilla JS / React / Angular / Vue
Blazorise is a component library built on top of Blazor with support for CSS frameworks like Bootstrap, Tailwind, Bulma, AntDesign, and Material.
⚡️ LWC - A Blazing Fast, Enterprise-Grade Web Components Foundation
React components for Leaflet maps
A better commenting experience from Vox Media
A pure Python HTML5 parser that just works. No C extensions to compile. No system dependencies to install. No complex API to learn.
LUIS (Love2D UI System) is a flexible graphical user interface (GUI) framework built on top of the Löve2D game framework. LUIS provides developers with the tools to create dynamic, grid-centric, layered user interfaces for games and applications.
Discover Unicons, a free collection of beautifully crafted 7000+ SVG icons, 3D icons, animated icons and icon fonts. Perfect for websites, apps, and creative projects. Start designing with Unicons today on IconScout!
Highly customizable notification snackbars (toasts) that can be stacked on top of each other
An open source code editor for the web, written in JavaScript, HTML and CSS.
An HTML5 parser and serializer for PHP.
🐰 Rax is a progressive framework for building universal application. https://rax.js.org
A JavaScript API for drawing unconventional text effects on the web.
Application Architecture for Building User Interfaces
Web tool for database management
📈 League of Legends Stats Web App
Lastest Visual Regression Testing - Cloud/Self-hosted version
macSVG - An open-source macOS app for designing HTML5 SVG (Scalable Vector Graphics) art and animation with a WebKit web view ➤➤➤
Self-hosted AI-assisted CTI-to-detection workbench for ATT&CK mapping, IOC/CVE intelligence, Threat Radar, malware triage, Attack Simulation, and SIEM validation.
Integration of React + Webpack + Rails including server-side rendering of React, enabling a better developer experience and faster client performance.
Virto's Commerce Innovation Platform. Source-available, modular .NET commerce backend built on Virto Atomic Architecture™.
Authentication Providers and UI components for Microsoft Graph 🦒
Native features for mobile apps built with Cordova/PhoneGap and open web technologies. Complete with TypeScript support.
TranslatedPresentation Ninja · Sharingan