Mackarel allows you to write acceptance tests in Rails in a readable way without having to deal with things like Cucumber.

Magis Framework Gem

View model library for Rails applications. Extracted from brother.ly.

In case there is a need to pre-render MathJax expressions or insert as images

Maxwell makes web scraping more simpler and faster with Ruby.

Enter the category and select activities based on interests, the app gives out upcoming meetups around the neighborhood

Easy to install opinion box for Rails application.

Mithraic Events is a tool to help in the API testing with HTTParty

Monet is a web UI change comparer.

Updating your iOS app should not be painful and time consuming. Automate the whole process to start with Continuous Deployment.

MonkeyTester is a web site mokey test library in ruby.

Simple mountable server that handles file uploads

Handlebar templates on the server and the client

myPage tools for Apple Retail employees

A Ruby interface to the Napster API.

Nestene Automation Framework

Integrate Rails with newebpay (藍新金流).

Contributed Oktobertest extensions

Allows someone to easily install the one-page-wonder theme for bootstrap 4 applications

Generates time-lapses of websites, with ease.