Schema validation for the mutation server protocol (MSP).

Integrate Cypress with alternative cloud services like Sorry Cypress or Currents

Run tasks or commands in child processes.

Convert an 'address:port' string to an array [address:string, port:number]

CLI tool to execute shell commands in parallel, based on GNU parallel command

Alternative implementation of mocha

Expose your local server to the public internet instantly

A small collection of functional programming utils

Zero-thought, conflict-free local-dev port allocation across projects and git worktrees.

RE2JS is the JavaScript port of RE2, a regular expression engine that provides linear time matching

Map over an array or object of values in parallel or series, passing each through the async iterator, with optional lifecycle hooks.

An NPM wrapper for handling the Safaridriver binary.

Application bootstrapping utilities for fp-ts

Pi extension for single-agent delegation and scripted multi-agent workflows

A simpler (and smaller) rewrite of Google Android's libphonenumber library in javascript

A lightweight parallel task runner for the Bun runtime inspired by concurrently

Concurrent prettier runner

XState for finite state machines

An HTTP proxy written with Node.js (think Squid)

The realtime engine behind Socket.IO. Provides the foundation of a bidirectional connection between client and server