Joe Walnes

Turn any program that uses STDIN/STDOUT into a WebSocket server. Like inetd, but for WebSockets.

Smoothie Charts: smooooooth JavaScript charts for realtime streaming data

A small decorator for the JavaScript WebSocket API that automatically reconnects

A simple, safe, JavaScript Filter Expression compiler for end-users

Zepto terminal text editor: minimalist, modern, intuitive, single file

Prettify vmstats in your browser

A web-based 3D GCode viewer to help understand 3D printer models.

Tiniest simplest unit testing library for JavaScript

Write with those green dots on your GitHub profile

A tiny unit-testing framework for C

A really simple, good looking jQuery context menu

Example of Linux SO_REUSEPORT

OpenSCAD program to generate toy bricks compatible with existing systems

Like 'go get' but with pinned package versions. A tiny shell script.

No frills resistor color code tool

LDAP authentication library for Node.JS

JavaScript APIs to allow web-apps to connect to hardware devices.

Connect things to your Raspberry Pi

IntelliJ IDEA Community edition - my hacks

Simplifying the web toolchain

Sample of standalone portable C to verify Ed25519 public-key signature

Mashup: View HackerSpace status on a WebGL Globe

Playing with the Raspberry Pi

A Parquet Swiss Army Knife. Inspect, query, transform, and view Parquet files from the command line

A tool to quickly generate Fritzing components.

Open camera project - multi-functional camera application for android.

A lightweight communication protocol to send data from your computer/phone to an embedded device by flashing the screen

Playing with Arduino and AVR hardware

Simple bidirectional JavaServer<->JavaScriptBrowser remoting, based on WebSockets and Webbit

Event based asynchronous Java IO library - built on libeio

Webbit Server: Moved....

C / C++ library to allow MSP430 microcontroller to talk to ShiftBrite RGB module

A collection of custom Claude Code skills

onesies: self-contained, single-file tools with no setup or dependencies

Replaces occurrences of the word 'literally' with 'figuratively'. That's literally all it does.

Fig is a utility for configuring environments and managing dependencies across a team of developers.

Web based Esper console

LDAP Client and Server API for node.js

My Linux dot files (.zshrc, .vimrc, etc.)

A tutorial for OpenSCAD.

Fork of the ATX PSU breakout board from Dangerous Prototypes.

Command line toolkit for working with Arduino hardware

open-source electronics prototyping platform

Run GCC (and other compilers) interactively from your web browser and experiment with its generated code

Thingies I've designed for 3D printing

SiteMesh 3 for Webbit

A web based GUI for Thor

Joe's modifications to AT&T's GraphViz/Dot

Connect is a middleware layer for Node.js

evented I/O for v8 javascript

The Netty Project

WebSocket-compatible realtime HTTP server implemented with Node.JS

A simple Minecraft clone written in C using modern OpenGL (shaders).

Cross-platform asychronous I/O

@holman does dotfiles

Postgres CLI with autocompletion and syntax highlighting

Makes the Adafruit's Raspberry Pi Plate just a liiiiittle bit stronger.

A Java event based WebSocket and HTTP server

A quick cheap circuit for color cycling an RGB LED using an MSP430 microcontroller.

Reprap FW with look ahead. SDcard and LCD support. It works on Gen6, Ultimaker, RAMPS and Sanguinololu

.vim

SFACT the New Skeinforge

Firmware for RepRap printers and similar devices

Joe's vim configuration (forked from Dan North)

My own RepRap Mendel redesign

platform layer for node.js

A MacVim Distro

lightweight messaging kernel

A .net port of the Java original

A programmer-oriented testing framework for Java.

transparent messaging passing in java using jetlang

No description.

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

Scala Json with capabilities for Scala Object Serialization

SiteMesh 3

Additional resources to support SiteMesh project.

Watches a domain name and notifies me when it's status changes

No description.

Native macOS MCP server for reading and sending iMessages

Persistent session manager for CLI and AI agent app interaction

Sync your Stripe account to you Postgres database.

Homebrew formulae

A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs directly on Anthropic's Agents SDK

No description.

No description.

Python and TypeScript library for integrating the Stripe API into agentic workflows

Repository containing reusable workflows / actions for building DuckDB extensions

Nova V2 Firmware (spec, implementation, tools)

No description.

Editor-agnostic library managing client interaction for peer-to-peer collaborative editing in Teletype for Atom

Server-side application that facilitates peer discovery for collaborative editing sessions in Teletype

Supervisor process control system for UNIX

No description.

sqlite3 driver for go that using database/sql

Java Dissassembler

Minimal golang binding to V8

Linux kernel source tree

An Arduino shield for the s-power BLE module

The missing package manager for OS X.

DuckDuckGo instant answer plugins based on Perl functions

No description.

All my configs for 3D printing

3D CAD designs for TimeLantern enclosure.