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.☆112,545Updated this week
- Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation☆90,918Updated this week
- The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentra…☆73,842Jul 25, 2026Updated 3 weeks ago
- An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stac…☆60,976Updated this week
- 🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte …☆50,199Updated this week
- 🌼 🌼 🌼 🌼 🌼 The most popular, free and open-source Tailwind CSS component library☆42,182Updated this week
- best way to save what you love☆42,239Apr 6, 2026Updated 4 months ago
- React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https…☆38,122Updated this week
- Create beautiful applications using Go☆35,946Updated this week
- 🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table☆28,375Updated 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…☆26,392Updated this week
- ⚡ Write Native with TypeScript ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, R…☆25,624Updated this week
- A set of over 6100 free MIT-licensed high-quality SVG icons for you to use in your web projects.☆21,490Updated this week
- web development, streamlined☆20,761Updated this week
- The next-generation file converter. Open source, fully local* and free forever.☆15,396Aug 10, 2026Updated 2 weeks ago
- 🔵 Make TypeScript errors prettier and human-readable in VSCode 🎀☆14,105Updated this week
- Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.☆13,904Jul 21, 2026Updated last month
- An online IDE for rapid web development☆13,637Jul 15, 2026Updated last month
- Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.☆12,560Updated this week
- Offline, privacy-first grammar checker. Fast, open-source, Rust-powered☆14,712Updated this week
- The open source codebase powering HuggingChat☆10,907Updated this week
- 💪🏻 Blazing-fast system monitoring for your desktop (built with Rust, Tauri & Svelte)☆9,315Mar 30, 2026Updated 4 months ago
- shadcn/ui, but for Svelte. ✨☆9,062Aug 9, 2026Updated 2 weeks ago
- tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them a…☆8,961Aug 13, 2026Updated last week
- A lightweight carousel library with fluid motion and great swipe precision.☆8,396Updated this week
- For entering, formatting, and validating international telephone numbers. Available in vanilla JavaScript, or as React, Vue, Angular, and…☆8,246Aug 14, 2026Updated last week
- A collection of advanced CSS styles to create realistic-looking effects for the faces of Pokemon cards.☆7,939Dec 15, 2025Updated 8 months ago
- Visual connectivity for webapps☆7,765Sep 27, 2024Updated last year
- An animated number component for React, Vue, Svelte, and TS/JS.☆7,646Jul 18, 2026Updated last month
- 🤖 Headless UI for Virtualizing Large Element Lists in JS/TS, React, Solid, Vue and Svelte☆7,085Updated this week
- Download Udemy and Hotmart courses, YouTube videos, music and books — 1,800+ sites, no terminal. Free open-source desktop app for Windows…☆8,929Aug 18, 2026Updated last week
- Business intelligence as code: build fast, interactive data visualizations in SQL and markdown☆6,876Updated this week
- Next generation utility-first CSS framework.☆6,508Jun 21, 2024Updated 2 years ago
- FE 기술 소식 큐레이션 뉴스레터☆6,284Aug 5, 2026Updated 2 weeks ago
- 🧩 A beautiful library with SVG logos. Built with Sveltekit & Tailwind CSS.☆6,257Updated this week
- Skeleton is an adaptive design system powered by Tailwind CSS.☆6,045Updated this week
- A web interface for chatting with Alpaca through llama.cpp. Fully dockerized, with an easy to use API.☆5,714Nov 21, 2025Updated 9 months ago
- The Full-Stack Web Framework for Go☆5,584Nov 24, 2023Updated 2 years ago
- Typesafe APIs Made Simple 🪄☆5,504Updated this week
- Splide is a lightweight, flexible and accessible slider/carousel written in TypeScript. No dependencies, no Lighthouse errors.☆5,362Jul 8, 2024Updated 2 years ago