Tom Preston-Werner @mojombo ↗

Python tool for converting files and office documents to Markdown.

Run GitHub Actions locally — pause on failure, retry in place, and keep caches on your machine.

Shannon is an AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before they reach production.

Beautiful, open source, WebGPU-based charting library

Infrastructure as TypeScript

A simple framework for humans Server-first React, running on the Cloudflare platform. Simple to build. Easy to maintain.

macOS system monitor in your menu bar

The Monorepo Platform that amplifies both developers and AI agents. Nx optimizes your builds, scales your CI, and fixes failed PRs automatically. Ship in half the time.

Effortlessly convert music links between streaming services

Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.

BaseAI — The Web AI Framework. The easiest way to build serverless autonomous AI agents with memory. Start building local-first, agentic pipes, tools, and memory. Deploy serverless with one command.

RedwoodGraphQL

Convert PDF to markdown + JSON quickly with high accuracy

An open-source remote desktop application designed for self-hosting, as an alternative to TeamViewer.

An JLC PCB Fabrication Plugin for KiCad

active angel investors in developer tools!

Liquid Structural State-Space Models

Automation tools for KiCAD

RWKV (pronounced RwaKuv) is an RNN with great LLM performance, which can also be directly trained like a GPT transformer (parallelizable). We are at RWKV-7 "Goose". So it's combining the best of RNN and transformer - great performance, linear time, constant space (no kv-cache), fast training, infinite ctx_len, and free sentence embedding.

:house_with_garden: Open source home automation that puts local control and privacy first.

ESPHome is a system to control your ESP32, ESP8266, BK72xx, RP2040 by simple yet powerful configuration files and control them remotely through Home Automation systems.

ESP32-compatible rotary encoder driver

Espressif IoT Library. IoT Device Drivers, Documentations and Solutions.

ChatGPT for Mac, living in your menubar.

This project is deprecated. Check my new project ChatHub:

Extended Sonos Library for Arduino Mkr / ESP32. Added UPnP Network scan to find your devices.

Easy implement rotary encoder to your application using microcontroler like ESP32

:speaker: Sonos control library, use this library in your own appliction.

🍃 Learn to code by making games in a JavaScript web-based game editor.

The easiest way to add pricing to your SaaS. Get billing over with.

Cloud-native authorization for modern applications and APIs

magic-trace collects and displays high-resolution traces of what a process is doing

PRQL is a modern language for transforming data — a simple, powerful, pipelined SQL replacement

The open-source communication infrastructure for agents and products

QuestDB is a high performance, open-source, time-series database

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Official Javascript library for Repeater.dev

Flexible data viz using redwoodjs framework

🧭 Use Prisma as a multi-tenant provider for your application

Chakra UI is a component system for building SaaS products with speed ⚡️

Repository containing evidence of police brutality during the 2020 George Floyd protests

Issues for Prisma Migrate are now tracked at prisma/prisma. This repo was used to track issues for Prisma Migrate Experimental and is now deprecated.

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

Type-safe database client for TypeScript & Node.js (ORM replacement)

Accessibility tool to help developers understand how colorblind users experience their website.

The Crystal Programming Language

Tom's Obvious, Minimal Language

The safe Markdown parser, reloaded.

jQuery JavaScript Library

The missing package manager for OS X.

Scope access for multiple services in Ruby. Warning: OLDSCHOOL CODE!

Semantic Versioning Specification

►

play ► — your company's dj

The safe Markdown parser, reloaded.

The GitHub Kegerator

basically the best way to write an ebook

Ruby API for Shipper APIs (UPS, FedEx, DHL)

S3 uploading command-line tool

Gollum test repo

A data-driven visualization toolkit

test for screencast

Structure and Interpretation of Computer Programs, Second Edition

Erlang/OTP

Vim - the text editor - for Mac OS X

A TomDoc Ruby library.

A flexible code documentation specification with human readers in mind.

Simple gem and release management with customizable Rake tasks.

A list of awesome vegetarian-friendly restaurants in SF

A presentation on Git basics using ShowOff

Fast ruby package management for unix

Rocco is Docco in Ruby

JavaScript sandbox (eval) as a service

Erlang BERT encoder/decoder

Semantic Versioning spec and website

Erlang Git Implementation

A replacement for Cron to manage logging, error reporting, dependencies, resource management and historical run times. Tasks are not host specific and can be remotely administered.

A simple Redis-based queue.

A BERT library for C++ and C

BERT serialization library for Python

Erlang binary term codec and port interface. Modeled after Erlectricity.

A tool for systems analysis.

BERT (Binary ERlang Term) serialization library for Ruby.

EventMachine: fast, simple event-processing library for Ruby programs

Javascript implementation of BERT serialization (Binary ERlang Term).

Logic-less Ruby templates.

The hacker's browser.

Hurl makes HTTP requests.

A simple Redis-based queue.

Safe user-template system written in Ruby

:crystal_ball: Generate HTML from CSS selectors

Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later.

Cassandra/Git backed python Git server

the github contest sinatra app

Provides an irb session to a running ruby process.

Ruby's Intelligent Packaging

Ruby's Intelligent Packaging

Ruby's Intelligent Packaging

BERTRPC is a Ruby BERT-RPC client library.

Ernie is an Erlang/Ruby BERT-RPC Server.

Little command line REST client that you can use in pipelines (bash or zsh).

Take back your $LOAD_PATH. Deprecated and unmaintained.

A simple TCP routing proxy built on EventMachine that lets you configure the routing logic in Ruby.

GitHub's Flavor of Markdown

jQuery JavaScript Library

Makes the green button maximize the window.

A pixel font (native size 7x7) I made in a different life

Test repo for talk.

A complete reimplementation of the gem server command as a Sinatra application

This is a fake gem so I can test GitHub's gem building when I need to

Clippy is a very simple Flash widget that makes it possible to place arbitrary text onto the client's clipboard.

A PHP eval server for Erlang/OTP.

A jQuery plugin to handle all of the Canvas' cross browser difficulties and syntax uggliness.

git- script to grab, build and install the latest source and manuals.

WebKit plug-in to prevent automatic loading of Adobe Flash content

A cd command that learns - easily navigate directories from the command line

Scheme in as little Ruby and as much Scheme as possible. Supports macros, continuations, tail recursion and lazy evaluation.

Jekyll source for my personal blog.

An DSL for creating AMQP agents; quickly.

Fast text replacement with canvas and VML - no Flash or images required.

GitHub mirror of the publicly available git repo, updated hourly. It's here so we can use the collaboration tools of GitHub. Updates ONLY from git public repo. If you want changes pulled, contact the git team, not me.

Ruby/CLI: Automatic lossless reduction of all your images

:globe_with_meridians: Jekyll is a blog-aware static site generator in Ruby

A jQuery plugin that adds cross-browser mouse wheel support.

Primer is a Flash-like API built on top of Canvas using jQuery.

A website that lets you know when your github gems have finished building

The official `github` command line helper for simplifying your GitHub experience.

A bidirectional Git - Bazaar gateway

A silverlight/WPF-like system, completely implemented in javascript

Implementation of a BOSH client using jQuery

Grit is a Ruby library for extracting information from a git repository in an object oriented manner.

Fast import project, written in Erlang and Ruby, for converting svn repos to git repos quickly.

pure ruby version of git daemon server functions

Git homepage that rocks - from the git.or.cz awesomeness

a Map/Reduce framework for distributed computing

Git homepage that rocks - from the git.or.cz awesomeness

A bidirectional Git - Bazaar gateway

[NO LONGER WORKS WITH GOOGLE] - Rugalytics is a Ruby API for accessing your Google Analytics Data

A Sample RPC Server using Mochiweb

The Erlang git-daemon

Desert is a component framework for Rails that allows your plugins have a Rails app like directory structure, routes, migrations, and dependencies.

A new revision of Fuzed, the Erlang-based frontend for web apps. Check out the mailing list at http://groups.google.com/group/fuzed

Moved to http://github.com/github/github-services

Dead simple Rails localization.

Erlectricity exposes Ruby to Erlang and vice versa.

A Gitk-like application written in RubyCocoa that looks like it belongs on a Mac. See the wiki for downloads and screenshots.

`github` command line helper for simplifying your GitHub experience.

A binding between erlang and mzscheme.

A binding between erlang and mzscheme.

This plugin allows you to create 'scenarios' which are collections of fixtures and ruby files that represent a context against which you can run tests.

An integrated replacement for Mongrel+Revproxy systems in erlang

Super streamlined memory profiler with real time graphs for Ruby programs

Rake in Io.

a Scheme written in Ruby, but implemented on the bus!

A realtime, OpenGL graphing library for Ruby

include Enumerable — Unmaintained

Ruby process monitor

Ruby process monitor