mass spectrometry proteomics, lipidomics, and tools, a rewrite of mspire, merging of ms-* gems

Configure ActionMailer or Mail delivery settings based on either a singular MTA_URL environment variable or common conventions for popular off the shelf SMTP providers.

multi-armed bandit algorithms

Client for Multichain

A simple, low-level multihash (https://github.com/jbenet/multihash) implementation for ruby.

Easily switch between email APIs

MultipleMan syncs changes to ActiveRecord models via AMQP

Allow you to manipulate a group of ranges. Such as merging overlapping ranges, doing ranges union, intersection, difference, and so on.

A fast multiple string replace library for ruby. Uses a C implementation of the Aho–Corasick Algorithm

Mumbletune connects to a mumble server and allows users to interact with and play a queue of music from Spotify.

A JSON API Spec client for Ruby

Webhooks processing engine for Rails applications

mushin allows you to generate domain-specific frameworks and domain extenstions.

mustache.js and jQuery.mustache.js integration for Rails 3.1+ asset pipeline

Mustache support for Sinatra applications

Muster is a gem that turns query strings of varying formats into data structures suitable for easier consumption in AR/DataMapper scopes and queries.

Basic integration between mutool and ruby over system calls

A CLI and ruby client for mvg-live.de, the real-time interface to Munich's public transport

LiveAST enables a program to find the ASTs of objects created by dynamically generated code.

A Ruby interface to the Amazon MWS Orders API, built on Peddler