Model Context Protocol Servers

Collection of TypeScript type challenges with online judge

Presentation Slides for Developers

🌈 React for interactive command-line apps

A fast, local first, reactive Database for JavaScript Applications https://rxdb.info/

Crawlee—A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript and TypeScript. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, an…

Visualize Your Ideas With Code

💌 Build and send emails using React

Industry standard API mocking for JavaScript.

What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?

Learn Domain-Driven Design, software architecture, design patterns, best practices. Code examples included

Relocate resource intensive third-party scripts off of the main thread and into a web worker. 🎉

Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.

A type-safe TypeScript SQL query builder

Build production-ready applications in TypeScript

A commenting system powered by GitHub Discussions. 💬 💎

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

Work with yarn/npm packages locally like a boss.

Implementation of a bulletproof node.js API 🛡️

JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator

A fast, efficient Node.js Worker Thread Pool implementation

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

Open Source TypeScript AI Agent Framework with built-in LLM Observability

Analyze and debug space usage through source maps

🕸️ GraphQL Federation Framework for any API services such as REST, OpenAPI, Swagger, SOAP, gRPC and more...

NodeJS library that generates Typescript or Javascript clients based on the OpenAPI specification

🕹️ Open-source, developer-first LLMOps platform designed to streamline prompt design, version management, instant delivery, collaboration, troubleshooting, observability and more.

🪄 Magical GraphQL query engine for TypeScript

Native UI testing / controlling with node

A collection of badass modules and utilities to help you level up your NestJS applications 🚀