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.☆102,621Updated this week
- Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation☆90,174Updated this week
- The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentra…☆74,007Updated this week
- An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stac…☆56,241Updated this week
- 🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte …☆49,537Updated this week
- 🌼 🌼 🌼 🌼 🌼 The most popular, free and open-source Tailwind CSS component library☆41,043Updated this week
- best way to save what you love☆40,590Apr 6, 2026Updated last month
- React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https…☆36,902Updated this week
- Create beautiful applications using Go☆34,532Updated this week
- 🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table☆28,041May 27, 2026Updated last week
- ⚡ Write Native with TypeScript ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, R…☆25,524Updated 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…☆24,583Updated this week
- A set of over 6000 free MIT-licensed high-quality SVG icons for you to use in your web projects.☆20,809May 28, 2026Updated last week
- web development, streamlined☆20,552Updated this week
- The next-generation file converter. Open source, fully local* and free forever.☆15,039Updated this week
- 🔵 Make TypeScript errors prettier and human-readable in VSCode 🎀☆14,077Updated this week
- Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.☆13,838May 28, 2026Updated last week
- An online IDE for rapid web development☆13,612Apr 13, 2026Updated last month
- Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.☆12,082Updated this week
- The open source codebase powering HuggingChat☆10,734Updated this week
- Offline, privacy-first grammar checker. Fast, open-source, Rust-powered☆10,669Updated this week
- 💪🏻 Blazing-fast system monitoring for your desktop (built with Rust, Tauri & Svelte)☆9,018Mar 30, 2026Updated 2 months ago
- tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them a…☆8,859Updated this week
- shadcn/ui, but for Svelte. ✨☆8,808May 27, 2026Updated last week
- For entering, formatting, and validating international telephone numbers. Available in vanilla JavaScript, or as React, Vue, Angular, and…☆8,210Updated this week
- A lightweight carousel library with fluid motion and great swipe precision.☆8,268May 22, 2026Updated 2 weeks ago
- Visual connectivity for webapps☆7,769Sep 27, 2024Updated last year
- A collection of advanced CSS styles to create realistic-looking effects for the faces of Pokemon cards.☆7,627Dec 15, 2025Updated 5 months ago
- An animated number component for React, Vue, Svelte, and TS/JS.☆7,357Apr 30, 2026Updated last month
- 🤖 Headless UI for Virtualizing Large Element Lists in JS/TS, React, Solid, Vue and Svelte☆6,920May 27, 2026Updated last week
- Next generation utility-first CSS framework.☆6,522Jun 21, 2024Updated last year
- FE 기술 소식 큐레이션 뉴스레터☆6,253May 6, 2026Updated 3 weeks ago
- Business intelligence as code: build fast, interactive data visualizations in SQL and markdown☆6,389Feb 18, 2026Updated 3 months ago
- Skeleton is an adaptive design system powered by Tailwind CSS.☆5,972May 28, 2026Updated last week
- 🧩 A beautiful library with SVG logos. Built with Sveltekit & Tailwind CSS.☆6,068May 27, 2026Updated last week
- A web interface for chatting with Alpaca through llama.cpp. Fully dockerized, with an easy to use API.☆5,725Nov 21, 2025Updated 6 months ago
- The Full-Stack Web Framework for Go☆5,587Nov 24, 2023Updated 2 years ago
- Splide is a lightweight, flexible and accessible slider/carousel written in TypeScript. No dependencies, no Lighthouse errors.☆5,348Jul 8, 2024Updated last year
- ⚡A zero-config bundler for JavaScript applications.☆5,180Dec 6, 2021Updated 4 years ago
- Typesafe APIs Made Simple 🪄☆5,257Updated this week