YAML 1.2 parser and serializer

Generate all possible permutations of an object's key-value pairs

Composable primitives for dead code elimination in Babel

Convert React components to native Web Components.

A small utility for simplified creation of callback functions that publishes the argument to an observable stream when called.

Wrap your component up as a custom element

Pre-built TopoJSON from Natural Earth.

A type-safe library for communicating between JS processes, workers, or other message-passing boundaries.

OpenTelemetry integration for the Restate TypeScript SDK

For those times you need to apply persistent DOM changes on top of HTML you don’t control.

An OpenTelemetry compatible library for instrumenting and exporting traces from Cloudflare Workers.

Wrap your component up as a custom element

Replace tokens from a string with values of an object

A simple string template function based on named or indexed arguments

JavaScript library for mobile-friendly interactive maps

Define component libraries, generate LLM system prompts, and render streaming OpenUI Lang output in React — the core runtime for OpenUI generative UI

A Molecular State Engine for React

Mock query params in Storybook

Framework-agnostic HTML rendering for @create-markdown with optional syntax highlighting

tldraw infinite canvas SDK (state).