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.☆109,608Updated this week
- Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation☆90,753Updated this week
- The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentra…☆73,860Jul 25, 2026Updated last week
- An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stac…☆60,036Updated this week
- 🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte …☆50,050Updated this week
- 🌼 🌼 🌼 🌼 🌼 The most popular, free and open-source Tailwind CSS component library☆41,943Updated this week
- best way to save what you love☆41,930Apr 6, 2026Updated 3 months ago
- React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https…☆37,897Updated this week
- Create beautiful applications using Go☆35,671Updated this week
- 🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table☆28,263Updated 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…☆25,987Updated this week
- ⚡ Write Native with TypeScript ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, R…☆25,590Updated this week
- A set of over 6100 free MIT-licensed high-quality SVG icons for you to use in your web projects.☆21,286Jul 28, 2026Updated last week
- web development, streamlined☆20,713Updated this week
- The next-generation file converter. Open source, fully local* and free forever.☆15,326Jul 1, 2026Updated last month
- 🔵 Make TypeScript errors prettier and human-readable in VSCode 🎀☆14,074Jul 26, 2026Updated last week
- Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.☆13,906Jul 21, 2026Updated 2 weeks ago
- An online IDE for rapid web development☆13,628Jul 15, 2026Updated 2 weeks ago
- Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.☆12,399Updated this week
- Offline, privacy-first grammar checker. Fast, open-source, Rust-powered☆14,148Updated this week
- The open source codebase powering HuggingChat☆10,864Updated this week
- 💪🏻 Blazing-fast system monitoring for your desktop (built with Rust, Tauri & Svelte)☆9,216Mar 30, 2026Updated 4 months ago
- shadcn/ui, but for Svelte. ✨☆9,014Updated this week
- tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them a…☆8,938Updated this week
- A lightweight carousel library with fluid motion and great swipe precision.☆8,375Updated this week
- For entering, formatting, and validating international telephone numbers. Available in vanilla JavaScript, or as React, Vue, Angular, and…☆8,238Jul 4, 2026Updated last month
- A collection of advanced CSS styles to create realistic-looking effects for the faces of Pokemon cards.☆7,846Dec 15, 2025Updated 7 months ago
- Visual connectivity for webapps☆7,765Sep 27, 2024Updated last year
- An animated number component for React, Vue, Svelte, and TS/JS.☆7,601Jul 18, 2026Updated 2 weeks ago
- 🤖 Headless UI for Virtualizing Large Element Lists in JS/TS, React, Solid, Vue and Svelte☆7,036Updated this week
- Download Udemy and Hotmart courses, YouTube videos, music and books — 1,800+ sites, no terminal. Free open-source desktop app for Windows…☆8,327Updated this week
- Business intelligence as code: build fast, interactive data visualizations in SQL and markdown☆6,809Feb 18, 2026Updated 5 months ago
- Next generation utility-first CSS framework.☆6,509Jun 21, 2024Updated 2 years ago
- FE 기술 소식 큐레이션 뉴스레터☆6,275Jul 8, 2026Updated 3 weeks ago
- 🧩 A beautiful library with SVG logos. Built with Sveltekit & Tailwind CSS.☆6,215Jul 19, 2026Updated 2 weeks ago
- Skeleton is an adaptive design system powered by Tailwind CSS.☆6,031Updated this week
- A web interface for chatting with Alpaca through llama.cpp. Fully dockerized, with an easy to use API.☆5,719Nov 21, 2025Updated 8 months ago
- The Full-Stack Web Framework for Go☆5,586Nov 24, 2023Updated 2 years ago
- Typesafe APIs Made Simple 🪄☆5,434Updated this week
- Splide is a lightweight, flexible and accessible slider/carousel written in TypeScript. No dependencies, no Lighthouse errors.☆5,359Jul 8, 2024Updated 2 years ago