Multifilter matches an input to each column in table, letting the user filter the table based on multiple inputs.

multi_models_paginator

MultiModelWizard is a way to create and update multiple ActiveRecord models using one form object.

Patch for multiparameter-wise assignment of transient (non-db-backed) model attributes in Rails' (Active Record).

Set a DateTime via two accessors, one for the date, one for the time

Elo library for single and multiplayer games

Simple multitenancy for rack-based web servers

Search multiple columns of a database, returning a hash of non-empty columns

Advanced seed data handling for Rails, make it able to separate seeds.rb

Make a naive rails app multisite easily

Multi-Step is a Rails engine for easily creating multi step forms (i.e. form wizard)

Multiupload-uploadify is a gem for multiupload using the uploadify plugin

Makes everyday search easy-ish.

Gem allows to chage locale through routes

For organizations that want to market a gem in style, Museum uses APIs to provide you with an ever-fresh marketing site for your gems.

A simple MP3 player written in Ruby. Depends on mpg123.

Wrapper code for the MusicStory data product

Description of MustacheRender.

`must_be_ordered` gem is to warn or raise error if `order` is not set to ActiveRecord's Relation.

A controller extension for cancan.