Statically verify your layout code

An experiment in fully hand-off software engineering: A performance-first TypeScript checker

Compares JS strings using UTF-8 bitwise semantics

99% of Queries in Zero Milliseconds

benchmark tooling that loves you ❤️

A high-performance, bidirectional infinite scroll list component for large list rendering, support React/Vue/Expo. Use case: smoothly chat history, news feed updates, or stream logs in both directi…

A Vitest runner and reporter that benchmarks existing tests

An ecommerce store built with Zero, TanStack, Drizzle, and PlanetScale for Postgres.

Complete starter templates for React apps with Zero Sync real-time data synchronization. Choose between Better Auth or Supabase Auth, both featuring modern React 19, TanStack Start, Drizzle ORM, an…

Chrome Extension that measures the time it takes for the DOM to update (First Paint, Last Content Paint) after pointer events (e.g., mouse clicks, taps).

Use Zero in Svelte

Generate Zero schemas from Drizzle ORM schemas.

A Prisma generator for generating Zero schema with ease

Vue bindings for Zero

Provides leadership election in the browser across tabs using localStorage only.

Reflect + YJS

Self-host your own FaaS with workerd, the Cloudflare javascript runtime

WORK IN PROGRESS DO NOT USE

Algolia Docsearch GitHub Action

Plug-in React Native compatibility bindings for Replicache.

A Supabase Edge Function for Replicache

A simple and composable way to validate data in JavaScript (and TypeScript).

An extremely fast bundler for the web

Guides, tools and libraries for modern web development.

Lightning fast hash functions using hand-tuned WebAssembly binaries

Javascript implementation of a readers-writer lock for async/await.