Markup support for rails/active record.

{Marlowe}[https://github.com/KineticCafe/marlowe] is a Rack middleware that extracts or creates a request ID using a pre-defined header, permitting request correlation across multiple services. When using Rails, Marlowe automatically adds itself to the middleware before <tt>Rails::Rack::Logger</...

Interact with the Maropost API

Ruby API client for Marqeta

What marriage looks like to the MRI.

A Ruby wrapper for the NASA Mars Rover Photos API.

Element location tool for your watir autotests.

A simple game to play with friends

This gem provides few libraries, which are Mapping and Categorize.

The ruby agent reports API traffic to http://apianalytics.com

MaskSQL is a command-line tool to mask sensitive values in a SQL file

JavaScript enabled web crawler kit

Filter and rename multiple files in a directory or subdirectories with regular expressions.

Core component of Mastercard Ruby SDKs

Library for Mastercard API compliant payload encryption/decryption.

Mastercard Core API SDK.

システムが稼働する上で最初から必要なデータ（マスタデータ）を管理するツールです。

Mastermind_Oscar is a Ruby implementation of the classic board game of same name. The game is a code breaking game between two players; in this implementation, it is between a player and the computer.

implements String#match_at

Matchi extension gem to provide some RSpec matchers.