marked

Quick ruby debugging, done right

maze

Stack-based Ruby maze generator

mechanic

A CSS-style selector engine for iOS UIAutomation

mockerfiles

Experimenting with Dockerfiles

monorailer

utilities for working with huge Rails apps

moto

Moto is a library that allows your python tests to easily mock out the boto library

mruby

Lightweight Ruby

msgpack-c

MessagePack implementation for C and C++ / msgpack.org[C/C++]

mysql-server

MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.

mysql-slow-query-log-parser

A Ruby DSL for finding data within the MySQL slow query log

neovim

vim out of the box

nerdboard

You can touch type. Repurpose your keyboard.

nested_has_many_through

rails plugin that allows has_many :through to go through other has_many :throughs

newspaper-screenshots

Headlines we lived through

node

Node.js JavaScript runtime :sparkles::turtle::rocket::sparkles:

node2dm

nsa_panel

Easily add a NSA backdoor into your Rails app.

object_proxy

ObjectProxy provides a proxied interface to Ruby objects. It lets you add methods to objects that don't normally support them.

objinsync

Continuously synchronize directories from remote object store to local filesystem

octopus

Database Sharding for ActiveRecord

omnibus

Easily create full-stack installers for your project across a variety of platforms.

opengovplatform

Open Government Platform

openssl

oreilly_linux

osrm-backend

Open Source Routing Machine - C++ backend

ox-builder

DSL for easily building XML documents using ox

p2

Platypus Platform: Tools for Scalable Deployment

paperclip

Easy file attachment management for ActiveRecord

paramiko

The leading native Python SSHv2 protocol library.

parenscript

ParenScript is a small Lispy language that can be compiled to JavaScript. [updated hourly]