A micro web server so fast, it'll make you dance! 👯

OSnap is a snapshot testing tool, which mainly focuses on speed and ease of use.

My own collection of skills for modern Node.js development

A GitHub Action to connect your workflow to your Netbird network. Inspired by tailscale/github-action.

omo; the best agent harness - previously oh-my-opencode

Generate vanilla-extract typescript file from the CSS (SCSS/SASS) file.

Peggy: Parser generator for JavaScript

PEG.js: Parser generator for JavaScript

A JavaScript implementation of a web browser without its graphical user interface

Rust programming, in Polish.

GitHub's official MCP Server

💫 Toolkit to help you get started with Spec-Driven Development

A list of command-line tools for manipulating structured text data

🐦 Bluebird alternative within ~200 loc

Compose object types containing mutually exclusive keys, using this generic Typescript utility type.

Repair invalid JSON documents

Software complexity analysis of JavaScript-family abstract syntax trees.

🌌 Collection of articles and tools to efficiently profile Node.js

Node.js TypeScript wrapper

Darklang main repo, including language, backend, and infra

A modern load testing tool, using Go and JavaScript

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

🚀🤖 Crawl4AI: Open-source LLM Friendly Web Crawler & Scraper. Don't be shy, join here: https://discord.gg/jP8KfhDhyN

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

libc implemented in JavaScript

Generate "Rules for AI". Quickly ✨

CSS library based on Counter Strike 1.6 UI.