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

Realtime application framework (Node.JS server)

A JS library for predictable global state management

🐠 Babel is a compiler for writing next generation JavaScript.

Fast, disk space efficient package manager

Immutable persistent data collections for Javascript which increase efficiency and simplicity.

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

Modern React starter kit with Bun, TypeScript, Tailwind CSS, tRPC, Stripe, and Cloudflare Workers. Production-ready monorepo for building fast web apps.

A lightweight Node.js private proxy registry

JupyterLab computational environment.

DevTools for Redux with hot reloading, action replay, and customizable UI

React implementation of the Intersection Observer API to tell you when an element enters or leaves the viewport.

Create beautiful, publication-quality books and documents from computational content.

Tools for diffing and merging of Jupyter notebooks.

Improved USB library for Node.js

A Git extension for JupyterLab

Table of Contents extension for JupyterLab

JupyterLab Extensions by Examples

Render collapsible JupyterLab errors with copy-paste functionality

A labextension to integrate pyflyby with notebooks