Become a better UI designer with Tailwind — intentionally or accidentally

Seed a JSON Schema with random values.

Generate MSW request handlers from various sources (HAR files, OpenAPI documents, etc).

Async Context for JavaScript

Testing utilities that encourage good practices for apps built with GraphQL.

Virtual Screen Reader is a screen reader simulator for unit tests.

Reasonable ESLint, Prettier, and TypeScript configs for epic web devs

Headless TypeScript ORM with a head. Runs on Node, Bun and Deno. Lives on the Edge and yes, it's a JavaScript ORM too 😅

Learn the fundamentals of automated testing in TypeScript.

The Microsoft FOSS Fund provides a direct way for Microsoft engineers to participate in the nomination and selection process to help communities and projects they are passionate about. The FOSS Fun…

Set up your GitHub Actions workflow with a specific version of node.js

Simple http mocking, with good developer experience

Understand React Server Components and Server Actions by building a framework with them.

File uploads for modern web devs

A minimal RSC + Vite starting point.

A superset of the JSDOM environment for Jest that respects Node.js globals.

Debug your GitHub Actions via SSH by using tmate to get access to the runner system itself.

From first donation to IPO. Polar is the funding & monetization platform for developers.

Port of http_parser to llparse

The workshop app for all workshops on EpicWeb.dev

Creates a module graph based on a given entrypoint. Supports ESM, monorepos, import attributes, typescript (via a plugin) and is extensible via plugins. Builds on top of es-module-lexer for scannin…

Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Compile-time tests for types. Useful to make sure types don't regress into being overly-permissive as changes go in over time.

Wait for a connection at the given target without making any requests.

Decorators and some other features for sequelize

Liveblocks is the platform for adding collaborative editing, comments, and notifications into your application.

Property based testing framework for JavaScript (like QuickCheck) written in TypeScript