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.☆97,868Updated this week
- Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation☆89,702Updated this week
- The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentra…☆74,140Apr 1, 2026Updated 2 weeks ago
- An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stac…☆52,902Updated this week
- 🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte …☆49,087Updated this week
- 🌼 🌼 🌼 🌼 🌼 The most popular, free and open-source Tailwind CSS component library☆40,707Apr 2, 2026Updated 2 weeks ago
- best way to save what you love☆39,579Apr 6, 2026Updated last week
- React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https…☆36,101Updated this week
- Create beautiful applications using Go☆33,666Updated this week
- 🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table☆27,896Updated this week
- ⚡ Write Native with TypeScript ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, R…☆25,488Updated 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…☆23,422Updated this week
- web development, streamlined☆20,428Updated this week
- A set of over 6000 free MIT-licensed high-quality SVG icons for you to use in your web projects.☆20,578Apr 5, 2026Updated last week
- The next-generation file converter. Open source, fully local* and free forever.☆14,552Apr 1, 2026Updated 2 weeks ago
- 🔵 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.☆13,806Jan 13, 2026Updated 3 months ago
- An online IDE for rapid web development☆13,595Apr 8, 2026Updated last week
- Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.☆11,940Updated this week
- The open source codebase powering HuggingChat☆10,641Updated this week
- Offline, privacy-first grammar checker. Fast, open-source, Rust-powered☆10,274Updated this week
- 💪🏻 Blazing-fast system monitoring for your desktop (built with Rust, Tauri & Svelte)☆8,955Mar 30, 2026Updated 2 weeks ago
- tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them a…☆8,785Updated this week
- shadcn/ui, but for Svelte. ✨☆8,607Updated this week
- A JavaScript plugin for entering, formatting and validating international telephone numbers. Includes React, Vue, Angular and Svelte comp…☆8,191Updated this week
- A lightweight carousel library with fluid motion and great swipe precision.☆8,173Updated this week
- Visual connectivity for webapps☆7,775Sep 27, 2024Updated last year
- A collection of advanced CSS styles to create realistic-looking effects for the faces of Pokemon cards.☆7,477Dec 15, 2025Updated 4 months ago
- An animated number component for React, Vue, Svelte, and TS/JS.☆7,267Apr 8, 2026Updated last week
- 🤖 Headless UI for Virtualizing Large Element Lists in JS/TS, React, Solid, Vue and Svelte☆6,817Updated this week
- Next generation utility-first CSS framework.☆6,532Jun 21, 2024Updated last year
- FE 기술 소식 큐레이션 뉴스레터☆6,243Apr 1, 2026Updated 2 weeks ago
- Business intelligence as code: build fast, interactive data visualizations in SQL and markdown☆6,158Feb 18, 2026Updated last month
- Skeleton is an adaptive design system powered by Tailwind CSS.☆5,932Apr 7, 2026Updated last week
- A web interface for chatting with Alpaca through llama.cpp. Fully dockerized, with an easy to use API.☆5,731Nov 21, 2025Updated 4 months ago
- The Full-Stack Web Framework for Go☆5,592Nov 24, 2023Updated 2 years ago
- 🧩 A beautiful library with SVG logos. Built with Sveltekit & Tailwind CSS.☆5,749Updated this week
- Splide is a lightweight, flexible and accessible slider/carousel written in TypeScript. No dependencies, no Lighthouse errors.☆5,342Jul 8, 2024Updated last year
- ⚡A zero-config bundler for JavaScript applications.☆5,185Dec 6, 2021Updated 4 years ago
- Unstyled, accessible UI components for your design System. Works in React, Vue, Solid, and Svelte.☆5,115Updated this week