Guillermo Rauch @rauchg ↗

Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord

Scira (Formerly MiniPerplx) is a minimalistic AI-powered search engine that helps you find information on the internet and cites it too. Powered by Vercel AI SDK!

A highly performant e-commerce template using Next.js

Visualize, query, and stream to train on multimodal robotics data.

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

📊 llm.report is an open-source logging and analytics platform for OpenAI: Log your ChatGPT API requests, analyze costs, and improve your prompts.

A full-featured, hackable Next.js AI chatbot built by Vercel

File uploads for modern web devs

🔥 GUI client for gRPC/gRPC-Web

Enlightened library to convert HTML and CSS to SVG

Fast, unstyled command menu React component.

Build, test, send emails with React

Neon: Serverless Postgres. We separated storage and compute to offer autoscaling, code-like database branching, and scale to zero.

Blazing fast Neovim framework providing solid defaults and a beautiful UI, enhancing your neovim experience.

Build system optimized for JavaScript and TypeScript, written in Rust

🚀 Fast and simple Node.js version manager, built in Rust

ModelFox makes it easy to train, deploy, and monitor machine learning models.

Open Source, Google Zanzibar-inspired database for scalably storing and querying fine-grained authorization data

JavaScript (engine) Version Updater

🛡️ ⚛️ A simple, scalable, and powerful architecture for building production ready React applications.

Realtime Sync for Any Backend Stack

Markdown for the component era

Authentication for the Web.

A react hook to find out if an element is in a given viewport with a simple api.

X UI Library for React Native

Opinionated `fetch` (with retrying and DNS caching) optimized for use inside microservices

Interactive React Paycard

React/React Native component and hook to animate counting up or down to a number

Essential Scala libraries for everyday use

A multi-select component with nested options support for Vue.js

A consistent, declarative way of interacting with RESTful backends, featuring code-generation from Swagger and OpenAPI specs 🔥

Async State Management without the Management. REST, GraphQL, SSE, Websockets

A framework that allows better code structure and routing for ZEIT Integrations

Starter code for creating a static blog system using Next.js and MDX. A service worker for offline reading is set up, and the blog has Perfect Lighthouse scores.

A comparison of some web frameworks and libs written in Rust

Composable transformations of Python+NumPy programs: differentiate, vectorize, JIT to GPU/TPU, and more

A Well-Known URL for Changing Passwords

Vegetarian friendly state for React

a cheat-sheet for mathematical notation in code form

♠️ React MDX-based presentation decks

A fully-modern text-based browser, rendering to TTY and browsers

Package your Node.js project into an executable

make your Next.js application work offline using service workers via Google's workbox

A command-line benchmarking tool

:desktop_computer: Simple and powerful server for Node.js

The React Framework

A node.js command line app for packing Google Chrome extensions.

:fire: An extremely fast, React-like JavaScript library for building modern user interfaces

An awesome list of websites that use system fonts

⌛ Use async functions in your JavaScript today with speed and simplicity.

A terminal built on web technologies

A cyberpunk theme for HyperTerm

A curated list of resources for building and promoting more compassionate engineering cultures

A collection of TLA⁺ specifications of varying complexities.

CLI email prompt with autocompletion and built-in validation

🌲 super fast, all natural json logger

React components for efficiently rendering large lists and tabular data

Fast, disk space efficient package manager

A DIY Cat (or dog. or human) Feeder powered by node

The Stacks blockchain implementation

Simple and modular realtime data processing in Node.js

Sandbox for developing and testing UI components in isolation

Disque is a distributed message broker

Self-hosted chat app for small teams

Because your app can be one! Clustering and child forking together - time to go crazy.

A socket.io input for Splunk

Tiny command line fake data generator.

Full vim for your shell (bash, zsh, gdb, python, etc)

A touch slideout navigation menu for your mobile web apps.

Node.js JavaScript runtime ✨🐢🚀✨

[ABANDONED] Mail App with integrated OpenPGP encryption

Socket.IO component for AngularJS

Bidirectional and low-latency communication for every platform

socket.io for haskell folks

A node.js streaming API for Lacrosse Alert sensors

Music player server with a web-based user interface.

Stream never-ending animated GIFs

IRC Client for Mac

lmctfy is the open source version of Google’s container stack, which provides Linux application containers.

Single Page App setup using industry's best practices and modules. Node.js, Express, Mongoose, passport.js, component.io, Jade, Stylus and Bootstrap.

Easily stream files to and from MongoDB

JS AST rewriter for tail call elimination

Realtime MVC Framework for Node.js

authy.com api client for node.js

A library to capture canvas-based animations at a fixed framerate

Levitate your app with Lev!

simple, lightweight message queue

Throttle is a simple node.js app that makes it easier to test how a website performs on poor network connections. For example, testing a responsive website on a poor 3G connection without actually having to have a poor 3G connection. Simply connect your Mac to ethernet, share the network connection via Airport, run Throttle, and any connected device will then be throttled to the the network speed you specified. Throttle was designed to be used in conjunction with a device lab and products like shim or Adobe Shadow where a shared connection is expected.

Node.js, Mustache.js, and CouchDB in a happy website love tryst.

Mac Programmers Text Editor

Composers: An asynchronous programming framework

Jackpot, tcp connection pooling for Node.js

Jackpot, tcp connection pooling for Node.js

`ws`: The fastest RFC-6455 WebSocket implementation for Node.js.

Event emitter component

a really simple app for Mac OS X that wraps the very latest WebKit Web Inspector and simplifies remote debugging

Simple event emitter

open pipable streams to and from the browser, with Socket.io

Extended (pluggable) JSON for node - great for configuration files and JSON transformations

Chrome Extension to see an indicator of SPDY support in the address bar.

Tiny millisecond conversion utility

Tiny file search utility (bash)

Simple command-line file / directory server built with connect - supports stylus, jade, etc

Very low footprint DOM-style JSON parser written in portable ANSI C

A fluid CSS layout system

Asynchronous Bidirectional File Transfers For Node.js via Socket.IO

C++11 port for the Node: native performance and modern simplicity.

Ajax with less suck - (and node.js HTTP client with less suck)

Expose raw js, objects, and functions to the client-side (awesome for sharing utils, settings, current user data etc)

Express route/middleware tracer & profiler

tiny node.js debugging utility for your libraries and applications

tiny javascript sprintf

A remote monitoring application using Node.js, MongoDB, and Twitter Bootstrap.

A real-time web framework for node.js

PhantomJS integration module for NodeJS

Ender interface to HTML5 drag and drop

mocha - simple, flexible, fun javascript test framework for node.js & the browser

Minimalistic logger for Node.js.

A tiny JavaScript debugging utility modelled after Node.js core's debugging technique. Works in Node.js and web browsers

a client-side web framework in 1,024 bytes

Socket.IO echo example with latency measurement / graphing

Simple to use, blazing fast and thoroughly tested WebSocket client and server for Node.js

Node.js native bindings to libmp3lame & libmpg123

Implementation of the Git objet model on Riak, distributed revision control at scale.

PhantomJS integration module for NodeJS

[DEPRECATED] Build a subset or superset of a javascript codebase via reading the AST.

a client-side web framework in 1,024 bytes

The Kademlia DHT in Javascript for Node.js and Browsers

Make weak references to JavaScript Objects. Fire a callback when they're garbage collected.

REST API framework for Express

Does your Node.js command line program have lots of arguments? Add custom tab completion!

REST API framework for Express

Stylus mixins, utilities, components, and gradient image generation

Console-based mp3 player with Winamp key bindings and jump-to-file

Multiplayer HTML5 Osmos

My oscon presentation chat app

Colors and formatting for the console

Simple command-line file / directory server built with connect - supports stylus, jade, etc

Modern Load Testing as Code

The fastest TypeScript animation engine on the web

Streaming body parser for node.js.

A consistent distributed data store.

Ajax for Node.js and browsers (JS HTTP client). Maintained for @forwardemail, @ladjs, @spamscanner, @breejs, @cabinjs, and @lassjs.

Expose raw js, objects, and functions to the client-side (awesome for sharing utils, settings, current user data etc)

Examples used for the presentation

Stylus mixins, utilities, components, and gradient image generation

Go to

GIT utilities -- repo summary, commit counting, repl, changelog population and more

☕️ Classic, reliable, trusted test framework for Node.js and the browser

Dickbar, Twitter's mainstream consumer client experience, now available for your iOS apps too.

A fast & lightweight polyfill for min/max-width CSS3 Media Queries (for IE 6-8, and more)

A powerful! collection of low-level plugins for MooTools

OpenID for node.js

Jade - robust, elegant, incredibly feature rich template engine for nodejs

Node.js Transform stream that passes data through at `n` bytes per second

Provides a few global functions such as `noop`, `throwop`, and `doop`

web-based live-coding application. powered by node.js, socket.io

OpenID for Node.js

Redis server implementation written with nodejs

The Mongo Database

TDD framework for node -- high speed parallel testing!

Tobi: Expressive server-side functional testing with jQuery

BDD style assertions for node.js -- test framework agnostic (anything that supports node's AssertionError)

Tobi: Expressive server-side functional testing with jQuery

Nudity detection with JavaScript and HTMLCanvas

Vim syntax highlighting for the Jade templating engine.

BDD style assertions for node.js -- test framework agnostic

Safari port of vimium

CPU usage streaming and event notification service

A MooTools class for logging events, errors and AB tests to multiple backends such as Google Analytics, Mixpanel or your own server logs.

A nice place for simple libev examples. Please contribute.

Programmable spidering of web sites with node.js and jQuery

A fault tolerant, protocol-agnostic RPC system

A jQuery inspired canvas utility library

[Proof of Concept] EventEmitters for both the client and server side. Literally cross-emission.

Unicorn for node.js

Demo application using socket.io+nodestream for realtime, express+mongoose for backend

Synchronous, simple, gzip-only compression module for node. Fork of waveto's node-compress.

Real time web analytics using node.js and web sockets

Selenium Node.JS adapter

[DEPRECATED] Realtime server push with node.js, WebSockets and Comet

A full stack html5 and css3 framework that uses less.js as it's core to provide a truly modular system with addons and other cute stuff ;-D

Methods for preventing unauthorized DOM mutations

A small framework for doing cool things with MooTools on touch-enabled devices.

localStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood

A Node.js module to easily execute arbitrary AppleScript code on Mac OS X.

GIT utilities -- repo summary, repl, changelog population, author commit percentages and more

Experimental Terminal platform built on WebKit + node.js. Currently only for Mac and Windows, though the prototype works 90% in any WebKit browser.

Sinatra inspired node web development framework -- insanely fast, insanely sexy

Connect is a middleware layer for Node.js

Cross-browser storage for all use cases, used across the web.

Pug – robust, elegant, feature rich template engine for Node.js

HTML5 window chroming