React component to render markdown

A series of compact encoding schemes for building small and fast parsers and serializers

Zero dependencies, blazing fast regex-based PII redaction with optional compliance dashboard integration. The modern fork of the abandoned 786k-download library.

Simplified JS/TS implementation of wcswidth() written by Markus Kuhn in C

Get the first fulfilled promise that satisfies the provided testing function

Parse a human name string into salutation, first name, middle name, last name, suffix. Parse an address into address, city, state, zip

Buffer List: collect buffers and access with a standard readable Buffer interface, streamable too

Make a full duplex stream with 2 Duplex endpoints

Fully type-safe Elysia client

Agent-first mail CLI for Agently

Axios + standardized errors + request/response transforms.

Mock infrastructure for AI application testing — point your SDK at one local port and every provider, protocol, and service answers deterministically.

JSON OT type

TypeScript definitions for timsort

Load a string as if it was an esm or commonjs module with a given filename.

tiny util for getting and setting deep object props safely

Remove personally identifiable information from text.

WebSocket cat

Node.js body parsing middleware

Self-host the Hi Melody font in a neatly bundled NPM package.