10 game-changing tools that level up Svelte developers in 2025 💪

• Superforms

  25 2,256 9.7 TypeScript

  Superforms is a SvelteKit library that helps you with server-side validation and client-side display of forms.

  Superforms is a form library specifically designed for SvelteKit. It simplifies form management by handling state and real-time validation, making form handling easier in your Svelte applications. Superforms provides a flexible API that integrates seamlessly with SvelteKit routes. Github repository →

• SaaSHub

  www.saashub.com featured

  SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

  

• Manifest

  33 896 9.6 TypeScript

  A complete backend in a single YAML file ✨

  

  Manifest is an incredibly easy-to-use backend, ideal for being integrated into Svelte projects. Just with a YAML file, you create an entire backend, including a REST API, a database, an SDK, and even an admin panel for non-technical administrators. Manifest lets you focus on your front-end without being slowed down by complex and time-consuming backend tasks. It's perfect for developers who want to ship faster. Here’s an article that describes how a developer builds a complete application using Svelte and Manifest. Github repository →

• Hoppscotch

  227 65,937 9.6 TypeScript

  Open source API development ecosystem.

  

  Hoppscotch is an open-source API development tool, similar to Postman, but lighter and designed for quick testing and collaboration. While mainly for backend developers, it’s perfect for Svelte front-end devs who need to quickly test APIs, validate responses, and debug integrations—essential for API-driven apps. Github repository →

• skeleton

  27 5,178 8.4 Svelte

  A complete design system and component solution, built on Tailwind. (by skeletonlabs)

  

  Github repository →

• svelte-heros-v2

  3 43 9.3 CSS

  Hero Icons v2 for Svelte. You can select outline and solid icons using the variation props. Svlete-Heros support major CSS framework. You can add additional CSS using the `class` props.

  Svelte Heros is a collection of free, open-source SVG icons built specifically for Svelte. It’s based on Heroicons and is incredibly easy to integrate into your Svelte projects. With over 200 icons, Svelte Heros offers easy access to a wide range of icons while keeping your app lightweight and performant. Github repository →

• layercake

  6 1,441 9.3 Svelte

  graphics framework for sveltejs

  Layer Cake is a graphics framework for Svelte developers who want to create charts like those we create with D3.js. Layer Cake is a go-to toolkit for creating scalable, responsive visualizations, whether you're working with maps, bar charts, plots, radars, or other types of charts. Github repository →

• svelte-headlessui

  24 1,790 6.0 Svelte

  Unofficial Svelte port of the Headless UI component library

  Svelte Headless UI is a library of unstyled, accessible UI components, inspired by Tailwind's Headless UI. It gives you all the interactivity without enforcing styles, allowing you to design the components exactly the way you want. With Svelte’s reactivity and this library's flexibility, building complex UI interactions has never been easier. Github repository →

• carta

  1 480 9.2 TypeScript

  A lightweight, fast and extensible Svelte Markdown editor and viewer. (by BearToCode)

  Carta is an efficient and highly adaptable Markdown editor and viewer built for Svelte. It seamlessly integrates with SvelteKit and offers full support for Server Side Rendering (SSR), ensuring flexibility and speed. It comes with a set of essential plugins. Github repository →

• heroicons

  85 21,712 6.6 JavaScript

  A set of free MIT-licensed high-quality SVG icons for UI development.

  

  Svelte Heros is a collection of free, open-source SVG icons built specifically for Svelte. It’s based on Heroicons and is incredibly easy to integrate into your Svelte projects. With over 200 icons, Svelte Heros offers easy access to a wide range of icons while keeping your app lightweight and performant. Github repository →

• elderjs

  29 2,114 0.0 TypeScript

  Elder.js is an opinionated static site generator and web framework for Svelte built with SEO in mind.

  

  Elder.js is a static site generator focused on SEO for Svelte apps. It offers detailed control over SEO, routing, and data fetching. Optimized for performance, it's ideal for large-scale, fast-loading, SEO-friendly sites. Github repository →

• headlessui

  193 26,281 9.1 TypeScript

  Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.

  

  Svelte Headless UI is a library of unstyled, accessible UI components, inspired by Tailwind's Headless UI. It gives you all the interactivity without enforcing styles, allowing you to design the components exactly the way you want. With Svelte’s reactivity and this library's flexibility, building complex UI interactions has never been easier. Github repository →

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