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.☆119,090Updated this week
- Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation☆91,556Updated this week
- The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentra…☆73,715Jul 25, 2026Updated 3 months ago
- An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stac…☆66,037Updated this week
- 🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte …☆50,592Updated this week
- best way to save what you love☆46,209Apr 6, 2026Updated 7 months ago
- 🌼 🌼 🌼 🌼 🌼 The most popular, free and open-source Tailwind CSS component library☆42,828Updated this week
- Video.js v10 - open source media player framework for HTML and React.☆40,176Updated this week
- React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https…☆39,004Updated this week
- Create beautiful applications using Go☆37,090Updated this week
- 🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table☆28,597Nov 2, 2026Updated last 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…☆27,916Updated this week
- ⚡ Write Native with TypeScript ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, R…☆25,700Updated this week
- A set of over 6200 free MIT-licensed high-quality SVG icons for you to use in your web projects.☆22,631Updated this week
- web development, streamlined☆20,910Updated this week
- Offline, privacy-first grammar checker. Fast, open-source, Rust-powered☆17,666Updated this week
- The next-generation file converter. Open source, fully local* and free forever.☆16,247Oct 20, 2026Updated 3 weeks ago
- Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.☆14,464Oct 28, 2026Updated 2 weeks ago
- 🔵 Make TypeScript errors prettier and human-readable in VSCode 🎀☆14,099Oct 31, 2026Updated 2 weeks ago
- An online IDE for rapid web development☆13,659Oct 22, 2026Updated 3 weeks ago
- Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.☆13,141Updated this week
- The open source codebase powering HuggingChat☆11,032Updated this week
- 💪🏻 Blazing-fast system monitoring for your desktop (built with Rust, Tauri & Svelte)☆9,509Oct 30, 2026Updated 2 weeks ago
- shadcn/ui, but for Svelte. ✨☆9,258Updated this week
- tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them a…☆9,088Updated this week
- A lightweight carousel library with fluid motion and great swipe precision.☆8,473Nov 1, 2026Updated last week
- A collection of advanced CSS styles to create realistic-looking effects for the faces of Pokemon cards.☆8,373Dec 15, 2025Updated 10 months ago
- For entering, formatting, and validating international telephone numbers. Available in vanilla JavaScript, or as React, Vue, Angular, and…☆8,259Nov 6, 2026Updated last week
- An animated number component for React, Vue, Svelte, and TS/JS.☆7,805Sep 20, 2026Updated last month
- VisuallyJs releases and issue tracking☆7,764Nov 3, 2026Updated last week
- 🤖 Headless UI for Virtualizing Large Element Lists in JS/TS, React, Solid, Vue and Svelte☆7,199Updated this week
- Business intelligence as code: build fast, interactive data visualizations in SQL and markdown☆7,116Updated this week
- Next generation utility-first CSS framework.☆6,495Jun 21, 2024Updated 2 years ago
- 🧩 A beautiful library with SVG logos. Built with Sveltekit & Tailwind CSS.☆6,417Updated this week
- FE 기술 소식 큐레이션 뉴스레터☆6,289Nov 4, 2026Updated last week
- Skeleton is an adaptive design system powered by Tailwind CSS.☆6,090Updated this week
- WebGPU components for React, Vue, Svelte, Solid, JS & Framer☆5,928Updated this week
- Typesafe APIs Made Simple 🪄☆5,763Updated this week
- A web interface for chatting with Alpaca through llama.cpp. Fully dockerized, with an easy to use API.☆5,694Nov 21, 2025Updated 11 months ago
- Simple and visually-pleasing Pomodoro timer☆5,612Oct 9, 2026Updated last month