InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →
Top 23 Svelte Open-Source Projects
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storybook
Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
Storybook for UI Development
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
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Project mention: Show HN: A pure WebGL image editor with filters, crop and perspective correction | news.ycombinator.com | 2025-04-28
thanks. It started as a proof of concept for a custom reactivity engine (based on signals and tagged template literals). But while at it I realised I needed something quick and easy for my needs.
I already have a prototype for a self-hosted photogallery that integrates this editor (something like https://immich.app to give you an idea). But it's still to early to share
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union
The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance. (by unionlabs)
Stars: 29318 (1,258 stars today today) Author: unionlabs View Project
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Coolify
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xyflow
React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely customizable.
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HTML/CSS can still be used for the frontend even without Electron. Some frameworks use the OS bundled web renderer instead:
- For Rust apps: https://github.com/tauri-apps/tauri
- For Go apps: https://github.com/wailsapp/wails
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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react-table
🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table
If you're building responsive React apps and you are using the TanStack Table v8 library, you might have noticed something: There’s no native way to collapse hidden columns on smaller screens.
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NativeScript
⚡ Empowering JavaScript with native platform APIs. ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, React, Solid, Svelte, Vue with: iOS (UIKit, SwiftUI), Android (View, Jetpack Compose), Dart (Flutter) and you name it compatible.
NativeScript
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SvelteKit
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tabler-icons
A set of over 5800 free MIT-licensed high-quality SVG icons for you to use in your web projects.
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ai
The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents
Project mention: Vercel AI SDK v5 Internals - Part 10 — Advanced Optimization: Throttling, Virtualization, Resumption, & Scaling | dev.to | 2025-05-13Provide Feedback: The Vercel AI SDK is actively developed. Your insights, bug reports, and feature requests on the Vercel AI SDK GitHub repository are invaluable in shaping its future. (Simulated link, use actual one).
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Project mention: Show HN: A tool to visualise Zod validation errors | news.ycombinator.com | 2024-10-01
I love it!
Zod is such a great tool but its errors can be a bit hard to parse.
Reminds me a lot of https://github.com/yoavbls/pretty-ts-errors
Disclaimer: I work with OP
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CodeSandbox Examples: Check out CodeSandbox for live projects using Shadcn UI. It’s a great way to see the toolkit in action.
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mitosis
Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.
I explored libraries like Valtio and Mitosis, but neither fit perfectly. I didn’t want to add a peer dependency for Valtio, and Mitosis didn’t work well with a shared context.
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openreplay
Session replay, cobrowsing and product analytics you can self-host. Ideal for reproducing issues and iterating on your product.
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First, go to HuggingChat and create a free account. Once logged in, you will be taken to the chat interface.
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tsParticles
tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them as animated backgrounds for your website. Ready to use components available for React.js, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Inferno, Solid, Riot and Web Components.
Also, to make your portfolio stand out to recruiters and clients, you can add some creative and interactive animations to it. The following libraries can help you easily do this: Framer Motion, tsParticles, and Three.js.
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jsplumb
Build Connectivity Quickly. Rapidly build diagramming apps and rich graphical front ends with React, Angular, Svelte, Vue, Javascript and Typescript.
Project mention: GoJS, a JavaScript Library for HTML Diagrams VS jsplumb - a user suggested alternative | libhunt.com/r/GoJS | 2025-04-12 -
Project mention: Top 10 React Carousels to Use in 2025: User-Friendly and Efficient | dev.to | 2025-01-25
GitHub: https://github.com/davidjerleke/embla-carousel
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Project mention: How to Implement Virtual Scrolling Beyond the Browser's Limit | dev.to | 2024-10-08
I personally prefer using TanStack Virtual, which also supports Vue, Svelte, Solid, Lit, and Angular besides React.
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pokemon-cards-css
A collection of advanced CSS styles to create realistic-looking effects for the faces of Pokemon cards.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Svelte discussion
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Getting my app into IzzyOnDroid: Making It Fully Reproducible
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Karui: My 84KB Unix-Inspired Android App Just Got GitHub’s Star Struck Badge!
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🎨 Building Avatarify AI: A One-Click Solution for Stunning AI Avatars
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3D Framework for Svelte
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A note from our sponsor - InfluxDB
www.influxdata.com | 21 May 2025
Index
What are some of the best open-source Svelte projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | storybook | 86,631 |
| 2 | immich | 66,031 |
| 3 | union | 61,995 |
| 4 | coolify | 41,207 |
| 5 | daisyui | 36,851 |
| 6 | xyflow | 29,494 |
| 7 | Wails | 28,252 |
| 8 | react-table | 26,396 |
| 9 | NativeScript | 24,765 |
| 10 | SvelteKit | 19,297 |
| 11 | tabler-icons | 19,123 |
| 12 | ai | 14,194 |
| 13 | pretty-ts-errors | 13,833 |
| 14 | codesandbox-client | 13,345 |
| 15 | mitosis | 13,139 |
| 16 | openreplay | 10,093 |
| 17 | chat-ui | 8,707 |
| 18 | tsParticles | 8,211 |
| 19 | jsplumb | 7,768 |
| 20 | Embla Carousel | 7,150 |
| 21 | windicss | 6,547 |
| 22 | virtual | 6,065 |
| 23 | pokemon-cards-css | 6,030 |
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JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor
Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
surveyjs.io