Svelte is a modern JavaScript framework designed for building user interfaces with a focus on performance and simplicity. Unlike traditional frameworks like React or Vue, Svelte shifts much of the work typically done in the browser to the build time by compiling components into highly optimized, imperative JavaScript. This approach leads to smaller bundle sizes and faster runtime performance. In Svelte, components are written in a simple, HTML-like syntax, with embedded JavaScript and CSS, allowing for a more intuitive and less boilerplate-heavy development experience. For application developers, Svelte offers a reactive programming paradigm where component reactivity is managed automatically, resulting in more maintainable code. Its lightweight ecosystem makes it an attractive choice for both small projects and large-scale applications, especially when client-side performance and ease of use are priorities.
View the most prominent open source Svelte projects in the list below. Click on a specific project to view its alternative or complementary packages. Make comparisons and find the best package for your app.
- High performance self-hosted photo and video management solution.☆115,524Updated this week
- Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation☆91,195Updated this week
- The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentra…☆73,782Jul 25, 2026Updated 2 months ago
- An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stac…☆62,545Updated this week
- 🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte …☆50,392Updated this week
- 🌼 🌼 🌼 🌼 🌼 The most popular, free and open-source Tailwind CSS component library☆42,527Updated this week
- best way to save what you love☆44,629Apr 6, 2026Updated 5 months ago
- React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https…☆38,578Updated this week
- Create beautiful applications using Go☆36,430Updated this week
- 🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table☆28,471Updated this week
- The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered application…☆27,102Updated this week
- ⚡ Write Native with TypeScript ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, R…☆25,664Updated this week
- A set of over 6200 free MIT-licensed high-quality SVG icons for you to use in your web projects.☆21,889Updated this week
- web development, streamlined☆20,834Updated this week
- The next-generation file converter. Open source, fully local* and free forever.☆15,674Updated this week
- 🔵 Make TypeScript errors prettier and human-readable in VSCode 🎀☆14,096Updated this week
- Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.☆14,427Updated this week
- An online IDE for rapid web development☆13,648Sep 7, 2026Updated 3 weeks ago
- Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.☆12,937Updated this week
- Offline, privacy-first grammar checker. Fast, open-source, Rust-powered☆16,117Updated this week
- The open source codebase powering HuggingChat☆10,971Updated this week
- 💪🏻 Blazing-fast system monitoring for your desktop (built with Rust, Tauri & Svelte)☆9,393Mar 30, 2026Updated 6 months ago
- shadcn/ui, but for Svelte. ✨☆9,174Updated this week
- tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them a…☆8,983Updated this week
- A lightweight carousel library with fluid motion and great swipe precision.☆8,434Updated this week
- For entering, formatting, and validating international telephone numbers. Available in vanilla JavaScript, or as React, Vue, Angular, and…☆8,260Sep 24, 2026Updated last week
- A collection of advanced CSS styles to create realistic-looking effects for the faces of Pokemon cards.☆8,254Dec 15, 2025Updated 9 months ago
- Visual connectivity for webapps☆7,767Sep 27, 2024Updated 2 years ago
- An animated number component for React, Vue, Svelte, and TS/JS.☆7,726Sep 20, 2026Updated 2 weeks ago
- 🤖 Headless UI for Virtualizing Large Element Lists in JS/TS, React, Solid, Vue and Svelte☆7,126Sep 21, 2026Updated last week
- Business intelligence as code: build fast, interactive data visualizations in SQL and markdown☆6,977Updated this week
- Next generation utility-first CSS framework.☆6,509Jun 21, 2024Updated 2 years ago
- FE 기술 소식 큐레이션 뉴스레터☆6,288Sep 2, 2026Updated last month
- 🧩 A beautiful library with SVG logos. Built with Sveltekit & Tailwind CSS.☆6,349Updated this week
- Skeleton is an adaptive design system powered by Tailwind CSS.☆6,065Updated this week
- A web interface for chatting with Alpaca through llama.cpp. Fully dockerized, with an easy to use API.☆5,708Nov 21, 2025Updated 10 months ago
- The Full-Stack Web Framework for Go☆5,588Nov 24, 2023Updated 2 years ago
- Typesafe APIs Made Simple 🪄☆5,661Updated this week
- Splide is a lightweight, flexible and accessible slider/carousel written in TypeScript. No dependencies, no Lighthouse errors.☆5,364Jul 8, 2024Updated 2 years ago