✂️ Find unused files, dependencies and exports in your JavaScript and TypeScript projects. Knip it before you ship it!

The open agent skills tool - npx skills

My own collection of skills for modern Node.js development

Merge Tailwind CSS classes without style conflicts

A better list for React Native

🌈 React for interactive command-line apps

Scan for React performance issues and eliminate slow renders in your app

🎉 performant confetti animation in the browser

A fluent API to FFMPEG (http://www.ffmpeg.org)

High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images. Uses the libvips library.

✉️ Send e-mails with Node.JS – easy as cake!

fast HTTP/1.1 benchmarking tool written in Node.js

A fast, efficient Node.js Worker Thread Pool implementation

In-memory Node.js and browser job scheduler

In-memory cache for Node.js and browser

a fast heap-based priority queue in JavaScript

A tiny (414B) and fast utility to convert milliseconds to and from strings.

A tiny (304B to 489B) utility to check for deep equality

A tiny (240B to 501B) and fast utility to "deep clone" Objects, Arrays, Dates, RegExps, and more!

Merges the enumerable properties of two or more objects deeply. Fastest implementation of deepmerge

The fastest javascript implementation of a double-ended queue. Used by the official Redis, MongoDB, MariaDB & MySQL libraries for Node.js and many other libraries.

Async cache with dedupe support

Fast, in memory work queue

Utility to generate flamegraphs

🔥 single-command flamegraph profiling 🔥

Count promises

Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Industry standard API mocking for JavaScript.

Generate massive amounts of fake data in the browser and node.js