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

Splitting date field into multiple inputs on the form object level (reform)

Multipart form data parser

Ruby bindings for https://github.com/iafonov/multipart-parser-c

Elo library for single and multiplayer games

Logger that support many and different devices for specified levels

Simple multitenancy for rack-based web servers

Tool that calculates multiplication table of prime numbers

Calculates multiplication tables of prime numbers

Allows you to organize your redis calls in separate classes but still execute them atomically with pipelined or multi.

MultiRepo is a library for managing multiple repositiories and running scripts against them.

Multiroot_tree has some of the functions of a typical tree data structure. It can be used to model process, dependencies, and prerequisites.

Rubocops over all files

Ruby Gem to handle multiple SAX libraries: ox/libxml/nokogiri/xmlparser(expat)/oga/rexml

Schedules commands to be run with cron jobs on Linux or launchd on OS X.

Allows you to switch over the postgres schemas in runtime inside ruby/rails

MultiSend makes it easy to send a bunch of messages to an object.

Buffer to handle bulk INSERTs

Multi Session Cache Store

This gem provides a means to support multiple sessions across different tabs in the same browser window.