Frameworks & Libraries
Runtime Libraries
Libraries, runtimes, UI kits, and software building blocks.
Best Runtime Libraries tools by public signals
These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.
Use Case Rankings
Ordered by ToolVitals score, health, shipping, confidence, and then adoption as a tie-breaker.
| # | Tool | Health | Shipping | Openness | Stars | Score | Status |
|---|---|---|---|---|---|---|---|
| 01 | Vuetify Open-source Vue component framework for building web applications. | 100 | 100 | License unknown | 41k | 100 | Active |
| 02 | Docx Editor Open-source WYSIWYG .docx editor for React with canonical OOXML, tracked changes, and real-time collaboration. | 93 | 100 | OSI-approved OSS | 1.9k | 97 | Active |
| 03 | DivKit Open-source server-driven UI framework for mobile app interfaces. | 93 | 100 | OSI-approved OSS | 2.6k | 96 | Active |
| 04 | TanStack Query 🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query. | 91 | 100 | OSI-approved OSS | 49.7k | 96 | Active |
| 05 | Material UI Open-source React component framework implementing Google's Material Design. | 93 | 95 | OSI-approved OSS | 98.4k | 94 | Active |
| 06 | Tamagui Open-source React and React Native UI framework with compiler optimizations. | 89 | 95 | OSI-approved OSS | 14k | 94 | Active |
| 07 | v10 [Beta] Video.js v10 - open source media player framework for Web and React. | 88 | 92 | OSI-approved OSS | 809 | 92 | Active |
| 08 | Lyne Components Components for the Lyne design system. | 85 | 98 | OSI-approved OSS | 65 | 92 | Active |
| 09 | React Jsonschema Form A React component for building Web forms from JSON Schema. | 95 | 84 | OSI-approved OSS | 15.8k | 91 | Active |
| 10 | Chakra UI Open-source React component system for building accessible SaaS interfaces. | 91 | 84 | OSI-approved OSS | 40.4k | 91 | Active |
| 11 | Reka UI Open-source Vue component library for accessible design systems and web apps. | 91 | 84 | OSI-approved OSS | 6.5k | 91 | Active |
| 12 | Base UI Open-source unstyled UI components for accessible web applications. | 87 | 89 | OSI-approved OSS | 9.9k | 91 | Active |
| 13 | Aksel Open design system and component library. | 84 | 95 | OSI-approved OSS | 184 | 91 | Active |
| 14 | Ark UI Open-source accessible UI components for React, Vue, Solid, and Svelte. | 87 | 87 | OSI-approved OSS | 5.2k | 90 | Active |
| 15 | Spor Design system for Vy. | 85 | 87 | License unknown | 31 | 89 | Active |
| 16 | NG-ZORRO Open-source Angular UI component library based on Ant Design. | 90 | 76 | OSI-approved OSS | 9.1k | 88 | Active |
| 17 | Ebean ORM Ebean ORM is an source-visible Java tool tracked for runtime libraries signals, maintenance activity, and public release evidence. | 85 | 82 | OSI-approved OSS | 1.5k | 86 | Active |
| 18 | Slint Slint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or Python apps. | 83 | 80 | License unknown | 22.9k | 86 | Active |
| 19 | DaisyUI Open-source Tailwind CSS component library for building web interfaces. | 88 | 69 | OSI-approved OSS | 41.1k | 85 | Active |
| 20 | Grommet Open-source React framework for accessible and responsive application UI. | 81 | 54 | OSI-approved OSS | 8.4k | 77 | Warning |
| 21 | Semi Design Open-source React design system and UI component library. | 73 | 69 | OSI-approved OSS | 10k | 75 | Warning |
| 22 | Drizzle ORM Drizzle ORM is an source-visible TypeScript tool tracked for runtime libraries signals, maintenance activity, and public release evidence. | 83 | 40 | OSI-approved OSS | 34.8k | 74 | Warning |
| 23 | PrimeReact Open-source React UI component library for application interfaces. | 78 | 48 | OSI-approved OSS | 8.3k | 74 | Warning |
| 24 | flowbite-svelte Official Svelte components built for Flowbite and Tailwind CSS | 77 | 36 | OSI-approved OSS | 2.8k | 70 | Warning |
| 25 | Docmentis Udoc Viewer Universal document viewer for the web — open-source, framework-agnostic viewer powered by a built-from-scratch WebAssembly engine for high-fidelity rendering across PDF, DOCX, PPTX, and images. | 62 | 56 | OSI-approved OSS | 65 | 68 | Warning |
| 26 | HyperUI Open-source Tailwind CSS component collection for web application interfaces. | 68 | 48 | OSI-approved OSS | 12.1k | 66 | Warning |
| 27 | Raaghu React Raaghu Design System – React is an open-source design system for modern Web and Power Apps applications. Built for the web and extendable to Microsoft’s Power Apps Component Framework (PCF), it offers reusable components | 65 | 36 | License unknown | 188 | 65 | Warning |
| 28 | Arco Design Open-source React UI component library and design system. | 59 | 51 | OSI-approved OSS | 5.6k | 65 | Warning |
| 29 | ngx-formly 📝 JSON powered / Dynamic forms for Angular | 69 | 35 | OSI-approved OSS | 3k | 64 | Warning |
| 30 | Naive UI Open-source Vue 3 component library with TypeScript and theme customization. | 73 | 28 | OSI-approved OSS | 18.4k | 63 | Warning |
| 31 | Flowbite Open-source UI component framework built on Tailwind CSS. | 65 | 30 | OSI-approved OSS | 9.3k | 63 | Warning |
| 32 | Sentinel A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件) | 67 | 34 | OSI-approved OSS | 23.1k | 62 | Warning |
| 33 | Vueform Open-source form framework for building Vue forms and form builders. | 60 | 34 | OSI-approved OSS | 1.5k | 62 | Warning |
| 34 | sveltekit-superforms Making SvelteKit forms a pleasure to use! | 56 | 20 | OSI-approved OSS | 2.8k | 56 | Warning |
| 35 | React Native Elements Open-source cross-platform React Native UI toolkit. | 59 | 14 | OSI-approved OSS | 25.8k | 53 | Warning |
| 36 | Theme UI Open-source library for building themeable React applications. | 44 | 10 | OSI-approved OSS | 5.4k | 47 | Critical |
| 37 | mdui Material Design 3 UI components using Web Components. | 51 | 0 | License unknown | 4.5k | 45 | Warning |
| 38 | mraa Linux Library for low speed IO Communication in C with bindings for C++, Python, Node.js & Java. Supports generic io platforms, as well as Intel Edison, Intel Joule, Raspberry Pi and many more. | 46 | 0 | OSI-approved OSS | 1.4k | 38 | Critical |
| 39 | Vee Validate ✅ Painless Vue forms | 38 | 0 | OSI-approved OSS | 11.3k | 38 | Critical |
| 40 | Formik Build forms in React, without the tears 😭 | 33 | 0 | OSI-approved OSS | 34.3k | 37 | Critical |
| 41 | NativeBase Open-source mobile-first component framework for React Native and web. | 38 | 0 | OSI-approved OSS | 20.4k | 36 | Critical |
| 42 | 21st.dev The NPM for Design Engineers | 32 | 0 | OSI-approved OSS | 5.3k | 36 | Critical |
| 43 | Redux Form A Higher Order Component using react-redux to keep form state in a Redux store | 33 | 0 | OSI-approved OSS | 12.5k | 35 | Critical |
| 44 | chat-ui-kit-react Build your own chat UI with React components in few minutes. Chat UI Kit from chatscope is an open source UI toolkit for developing web chat applications. | 31 | 0 | OSI-approved OSS | 1.7k | 32 | Critical |
| 45 | AppBase Search UI components for React and Vue | 31 | 0 | OSI-approved OSS | 4.9k | 32 | Critical |
| 46 | React95 Open-source React component library for Windows 95 style interfaces. | 31 | 0 | OSI-approved OSS | 7.2k | 32 | Critical |
| 47 | Eureka Elegant iOS form builder in Swift | 30 | 0 | OSI-approved OSS | 11.8k | 32 | Critical |
| 48 | FrankenPHP Demo app for FrankenPHP | 24 | 0 | License unknown | 203 | 32 | Critical |
| 49 | Vue Design System Open-source tool for building UI design systems with Vue.js. | 31 | 0 | OSI-approved OSS | 2.2k | 31 | Critical |