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

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/).

A Library to Automate User Interactions

Macros for Ruby

Expand Cucumber with macro-steps.

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

CheddarGetter API Client in Ruby

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

commandline tools for magellanic cloud service.

The Magic Admin Ruby provides convenient ways for developers to interact with Magic API endpoints and an array of utilities to handle DID Token.

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

A library to help you build nice service objects with dependency injection.

MailCatcher REST API SDK

mailchimp3 is a gem for working with MailChimp's RESTful JSON API documented at http://kb.mailchimp.com/api/ using HTTP basic auth or OAuth 2.0. This library can talk to any endpoint the API provides, since it is written to build endpoint URLs dynamically using method_missing.

MailerLite's official Ruby SDK. Interacts with all endpoints at MailerLite API.