The React Framework

Coding articles to level up your development skills

A professional front-end template for building fast, robust, and adaptable web apps or sites.

Cheatsheets for experienced React developers getting started with TypeScript

🌟 JavaScript Style Guide, with linter & automatic code fixer

⛄ Possibly the smallest compiler ever

📗🌐 🚢 Comprehensive and exhaustive JavaScript & Node.js testing best practices (August 2025)

Lightweight fuzzy-search, in JavaScript

Record, Replay, and Stub HTTP Interactions.

🏰 All the things you didn't know you wanted to know about data structures

A boilerplate for building production-ready RESTful APIs using Node.js, Express, and Mongoose

top #1 and most feature rich GPT wrapper for git — generate commit messages with an LLM in 1 sec — works with Claude, GPT and every other provider, supports local Ollama models too

Keep iframes sized to their content

syntax highlighting component for react with prismjs or highlightjs ast using inline styles

Demo app of React Server Components.

Beyond the basics of Node.js testing. Including a super-comprehensive best practices list and an example app (April 2025)

uvu is an extremely fast and lightweight test runner for Node.js and the browser

Machine learning tools in JavaScript

Build a ReactJS App workshop

Test Anything Protocol tools for node

A starter project for building performant ECommerce applications with Next.js and React

🦤 Give me MDX/TSX strings and I'll give you back a component you can render. Supports imports!

A workshop for testing react applications

nodemailer is an amazing node module to send emails within any of your nodejs apps. This is the transport plugin that goes with nodemailer to send email using Mailgun 🔫

Just a *really* good MDX compiler. No runtime. With esbuild, Rollup, and webpack plugins

A very vulnerable web site written in NodeJS with the purpose of have a project with identified vulnerabilities to test the quality of security analyzers tools tools

A starter project for next js with authentication - Contains React 17 + Typescript + Tailwind CSS 2 + React Query 3 + GitHub Auth + LinkedIn Auth + Password-less Auth + Fauna DB + ESLint + Prettier…

A multi-tier membership SaaS in less than 500 lines of code w/Stripe and Firebase

ESLint configuration for projects that I do... Feel free to use this!

An example repo I used to teach a React Query workshop