Mochi is a lightweight, server-first framework for Svelte 5 on Bun. Mochi websites render server-side on every request and ship as plain HTML. Components only ship JavaScript when you explicitly mark them as islands.

Modular, local-first Svelte block editor engine built on a Single ContentEditable architecture

Inline editing components for Svelte 5 — text, rich text, and images with cropping.

Vellum is a lightweight, structural state management library for Svelte 5. It provides a robust Model and Collection base powered by Svelte Runes. Vellum bridges the gap between raw objects and complex state logic, offering a typed, class-based approach to managing data-heavy applications.

Runes Meta Tags is a powerful meta tag management library for SvelteKit applications. It provides an elegant way to configure SEO meta tags, Open Graph tags for social media sharing, Twitter Cards, and more. With built-in support for deep merging, you can define default meta tags at the layout level and override them on specific pages.

A simple Google Analytics component for Svelte Runes

Formisch is a schema-based, headless form library for Svelte. It manages form state and validation. It is type-safe, fast by default and its bundle size is small due to its modular design.

Magical utilities for your Svelte applications.

A Svelte reactive rune that keep its value through pages and reloads

A preprocessor to shorten Svelte 5 reactivity syntax

Svelte Custom Runes

Winners of Svelte Hack 2024 (runes-edition)!

In this talk we take a look at all of the Svelte 5 runes and how they compare to the reactivity model.

A Svelte 5 changelog overview covering snippets, bug fixes, and migration guidance. Live coding of runes-based dynamic filtering plus exploration of effect, onMount, and reactivity features.

Curious about Runes? Want to get your questions answered? Here what the team has been up to?

00:00 Introduction 00:30 Announcements - Svelte Summit 01:10 Runes Primer 13:17 Runes FAQ 19:20 Rune helpers and stores with Hunter 26:26 Runify demo and fine-grained reactivity with Paolo 35:00 The library maintainer’s perspective with Hunter 45:08 Poll: the kinds of applications we make 53:25 Paul proposes Runes be a compiler-based toolchain separated from Svelte, similar to RxJS 1:01:11 Everyone’s impressions of Runes 1:02:48 Tantei-Kun likes the $props Rune 1:07:32 Poll: everyone’s impression of Runes so far