A guide to modern front-end web development / engineering.

A Django content management system focused on flexibility and user experience

🐤 The friendly full-stack language

Publicly shared solutions to Coding Challenges

Repo for my 'Learning JavaScript Design Patterns' book

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

Black Friday deals for developers and designers – templates, devtools, courses, books

Latex file for resume template

The React documentation website

A fork of book series on JavaScript. @YDKJS on twitter.

🎒 Token-Oriented Object Notation (TOON) – Compact, human-readable, schema-aware JSON for LLM prompts. Spec, benchmarks, TypeScript SDK.

best way to save what you love

Front End interview preparation materials for busy engineers (updated for 2025)

Curated coding interview preparation materials for busy software engineers

Most important React.js interview questions for busy Front End Engineers (updated for 2025)

Top JavaScript interview questions and answers for Front End Engineers in 2025

Docker configuration for the OneBusAway Application Modules (https://github.com/OneBusAway/onebusaway-application-modules)

OneBusAway for iOS, written in Swift.

The Rails application that powers OpenStreetMap

JavaScript animation engine

Build full-stack apps on your own infrastructure.

OpenTUI is a library for building terminal user interfaces (TUIs)

The open source coding agent.

An open-source database of AI models.

▦ Universal, standards-based auth provider.

Aesthetic, minimalist online platform for learning Japanese inspired by Monkeytype.

The React Framework

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

A utility-first CSS framework for rapid UI development.