The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

Node.js JavaScript runtime ✨🐢🚀✨

JavaScript 3D Library.

A fancy self-hosted monitoring tool

The HTML Presentation Framework

JavaScript animation engine

Independent technology for modern publishing, memberships, subscriptions and newsletters.

Prettier is an opinionated code formatter.

The 1.x line is frozen - features and bugfixes now happen on https://github.com/yarnpkg/berry

Git hooks made easy 🐶 woof!

node.js command-line interfaces made easy

Monitor for any changes in your node.js application and automatically restart the server - perfect for development

A mighty CSS linter that helps you avoid errors and enforce conventions.

The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.

A responsive image polyfill for <picture>, srcset, sizes, and more

Elegant terminal spinner

🥞Data Structures and Algorithms explained and implemented in JavaScript + eBook

Calculate the real cost to run your JS app or lib to keep good performance. Show error in pull request if the cost exceeds the limit.

A react renderer for blessed.

HTTP client. Spiritual successor to request.

PSA: this repo has been moved into babel/babel -->

execute npm package binaries (moved)

The standard shareable config for Stylelint

Mock http requests made using fetch

Utility that takes sprites and converts them into a stylesheet and its coordinates

Cross-everything WebRTC mega-project

Cross-platform process cpu % and memory usage of a PID

FP library for JavaScript. Supports named-argument style methods.

gron - Make JSON greppable!

Render/precompile Lodash templates