React is a JavaScript library for building user interfaces.

Create and animate hand-drawn annotations on a web page

Create graphics using HTML Canvas or SVG with a hand-drawn, sketchy, appearance.

Create and animate hand-drawn annotations on a web page

This is a React wrapper for [RoughNotation](https://roughnotation.com/), a small JavaScript library to create and animate annotations on a web page.

Rough annotation primitives for Remotion

Generic resource pooling for Node.JS

Utilities for working with Chinese coordinate reference systems

> Polyfill/shim for `process.allowedNodeEnvironmentFlags`

Utilities to help polish the rough parts of TypeScript.

A G plugin of renderer implementation with rough.js

Enforce JavaScript Baseline (widely/newly/year) browser compatibility with a single ESLint rule. Prevent runtime errors by catching unsupported JavaScript features during development.

Fast, type-safe fetch client for your OpenAPI schema. Only 6 kb (min). Works with React, Vue, Svelte, or vanilla JS.

A point in polygon based on the paper Optimal Reliable Point-in-Polygon Test and Differential Coding Boolean Operations on Polygons

requestVideoFrameCallback polyfill

A G plugin of renderer implementation with rough.js

Vue wrapper for rough-notation, support Vue2 & 3

Helpers for context windows, usage normalization, compaction, and cost estimation.

Server-side utilities for Supabase. Handles auth, client creation, and context injection so you write business logic, not boilerplate.

Angular + Firebase = ❤️