Lunar calendar, Solar calendar convertor

A full Ruby port of lz-string (JavaScript), with the same results for every input, emoji too: raw, Base64, URI-safe, UTF-16, Uint8Array and custom alphabets, and the same command line tool. It passes the test suite of lz-string itself.

Classes for handling basic measurement units: distance, direction, speed, temperature and pressure

A fork of a Mash library.

Macro processor for Ruby 2.6 or later

Mâché provides helps you to write cleaner and more expressive acceptance tests for your web applications using page objects.

Why another static site generator? Machined is for the developers who know and love the asset pipeline of Rails 3.1 and want to develop blazingly fast static websites. It's built from the ground up using Sprockets 2.0.

This workbench holds a collection of machine learning methods in Ruby. Rather than specializing on a single task or method, this gem aims at providing an encompassing framework for any machine learning application.

Mackerel client is a library to access Mackerel (https://mackerel.io/).

Yet another mackerel client for Ruby.

A Library to Automate User Interactions

Expand Cucumber with macro-steps.

Mactag is a DSL to create Ctags files for Ruby/Rails

Wrapper for MX specific RuboCop settings for managing custom settings across many projects.

Maestrano is the next generation marketplace for SME applications. See https://maestrano.com for details.

commandline tools for magellanic cloud service.

Ruby FFI bindings to libmagic

MagicEnum is a simple ActiveRecord plugin that makes it easier to maintain ENUM-like attributes in your models.

MailCatcher REST API SDK

Mailcheck.js for Rails'