Lit: Simple, Fast Web Components Framework Introduction Lit is a lightweight library for building web components. It emphasizes simplicity, speed, and standards compliance to help developers create reactive, declarative, and interoperable components easily. Highlights Simple: Minimizes boilerplate and builds on web standards. Fast: Small footprint (~5 KB minified) with efficient, partial rendering. Web Components: Creates native, framework-agnostic components usable anywhere HTML is supported. Features Explained Custom Elements: Lit components are standard custom elements that integrate seamlessly in any HTML context or framework. Scoped Styles: Uses Shadow DOM to isolate component styles, preventing CSS conflicts. Reactive Properties: Properties declared reactively trigger efficient UI updates on change. Declarative Templates: Uses tagged template literals for expressive, fast, native JS-based templating without extra compilation. Usage Example (TypeScript & JavaScript) In HTML: Where to Use Lit Shareable Components: Build interactive content compatible with any stack. Design Systems: Create consistent, brand-aligned UI components usable across frameworks. Sites and Apps: Enhance static sites or develop apps with composable, maintainable components that reduce lock-in. Who Uses Lit? Major organizations and projects using Lit include: Adobe: Spectrum Web Components Alaska Airlines: Auro Design System Cisco: Momentum UI Google: Various projects Home Assistant: Frontend UI IBM: Carbon Web Components ING: Lion Web Components JSTOR: Pharos Design System Microsoft: PWA Starter Red Hat: One Platform Components SAP: UI5 Web Components Shoelace: Components library Hilla: Framework support VMWare: Clarity Core Wired Elements: Web Components collection Get Involved & Learn More Tutorials: Live, no-install learning Learn page Playground: Interactive example editor Playground page Documentation: Comprehensive guides Docs page Community: Discord Bluesky: follow @lit.dev GitHub: lit/lit repo Stack Overflow: tagged questions Installation & Getting Started Install Lit via npm: Start building with simple commands and explore the rich ecosystem. Footer & Legal Copyright © Google LLC. Code licensed under BSD-3-Clause. Documentation licensed under CC-BY-3.0. --- Lit embraces modern web standards to empower developers with fast, simple, maintainable web components that work today and into the future.