Interactive roadmaps, guides and other educational content to help developers grow in their careers.

Get your documents ready for gen AI

Polyfills the ResizeObserver API.

Easily switch between windows of the same app with Alt+` (Backtick), also switch between apps with Alt+Tab.

Simplest way to communicate with iFrames and other windows

🌱 Immutability in under one kilobyte

🔬 A fast, interactive web-based viewer for performance profiles.

🇨🇭 A React renderer for Three.js

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

⛄ Possibly the smallest compiler ever

Realtime application framework (Node.JS server)

A lightweight javascript timezone library

An utility to drive requests handlers through a `.har` web-archive file

Record, Replay, and Stub HTTP Interactions.

Network utility for sending / receiving TCP, UDP, SSL, HTTP

Collection of TypeScript type challenges with online judge

🐻 Bear necessities for state management in React

React Hooks for Data Fetching

Get a full fake GraphQL API with zero coding in less than 30 seconds.

Class Variance Authority

simple terminal UI for git commands

Windows system utilities to maximize productivity

whiteboard / infinite canvas SDK

Shell scripts for capturing and compiling timelapse photography

Source code of the recurrent donations platform Liberapay

Bitwarden client apps (web, browser extension, desktop, and cli).

12 weeks, 26 lessons, 52 quizzes, classic Machine Learning for all

Serverless Examples – A collection of boilerplates and examples of serverless architectures built with the Serverless Framework on AWS Lambda, Microsoft Azure, Google Cloud Functions, and more.

Powerful tool for downloading content posted by creators on patreon.com. Supports content hosted on patreon itself as well as external sites (additional plugins might be required).