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.☆95,630Updated this week
- Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation☆89,503Updated this week
- The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentra…☆74,201Mar 19, 2026Updated last week
- An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stac…☆51,923Mar 20, 2026Updated last week
- 🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte …☆48,876Updated this week
- 🌼 🌼 🌼 🌼 🌼 The most popular, free and open-source Tailwind CSS component library☆40,562Mar 17, 2026Updated last week
- best way to save what you love☆39,270Updated this week
- React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https…☆35,799Mar 19, 2026Updated last week
- Create beautiful applications using Go☆33,348Mar 21, 2026Updated last week
- 🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table☆27,841Mar 12, 2026Updated 2 weeks ago
- ⚡ Write Native with TypeScript ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, R…☆25,477Mar 19, 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…☆22,879Updated this week
- web development, streamlined☆20,380Updated this week
- A set of over 6000 free MIT-licensed high-quality SVG icons for you to use in your web projects.☆20,499Updated this week
- The next-generation file converter. Open source, fully local* and free forever.☆14,436Updated this week
- 🔵 Make TypeScript errors prettier and human-readable in VSCode 🎀☆14,075Updated this week
- Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.☆13,799Jan 13, 2026Updated 2 months ago
- An online IDE for rapid web development☆13,583Mar 2, 2026Updated 3 weeks ago
- Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.☆11,871Updated this week
- The open source codebase powering HuggingChat☆10,601Updated this week
- Offline, privacy-first grammar checker. Fast, open-source, Rust-powered☆10,127Updated this week
- 💪🏻 Blazing-fast system monitoring for your desktop (built with Rust, Tauri & Svelte)☆8,938Jan 7, 2026Updated 2 months ago
- tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them a…☆8,750Updated this week
- shadcn/ui, but for Svelte. ✨☆8,497Mar 19, 2026Updated last week
- A JavaScript plugin for entering, formatting and validating international telephone numbers. Includes TypeScript definitions, plus React,…☆8,190Updated this week
- A lightweight carousel library with fluid motion and great swipe precision.☆8,126Updated this week
- Visual connectivity for webapps☆7,777Sep 27, 2024Updated last year
- A collection of advanced CSS styles to create realistic-looking effects for the faces of Pokemon cards.☆7,435Dec 15, 2025Updated 3 months ago
- An animated number component for React, Vue, Svelte, and TS/JS.☆7,220Mar 3, 2026Updated 3 weeks ago
- 🤖 Headless UI for Virtualizing Large Element Lists in JS/TS, React, Solid, Vue and Svelte☆6,775Mar 17, 2026Updated last week
- Next generation utility-first CSS framework.☆6,541Jun 21, 2024Updated last year
- FE 기술 소식 큐레이션 뉴스레터☆6,243Mar 4, 2026Updated 3 weeks ago
- Business intelligence as code: build fast, interactive data visualizations in SQL and markdown☆6,076Feb 18, 2026Updated last month
- Skeleton is an adaptive design system powered by Tailwind CSS.☆5,920Updated this week
- A web interface for chatting with Alpaca through llama.cpp. Fully dockerized, with an easy to use API.☆5,738Nov 21, 2025Updated 4 months ago
- The Full-Stack Web Framework for Go☆5,594Nov 24, 2023Updated 2 years ago
- 🧩 A beautiful library with SVG logos. Built with Sveltekit & Tailwind CSS.☆5,710Updated this week
- Splide is a lightweight, flexible and accessible slider/carousel written in TypeScript. No dependencies, no Lighthouse errors.☆5,339Jul 8, 2024Updated last year
- ⚡A zero-config bundler for JavaScript applications.☆5,189Dec 6, 2021Updated 4 years ago
- Unstyled, accessible UI components for your design System. Works in React, Vue, Solid, and Svelte.☆5,067Updated this week