Can preview files and format the view.

Migration support and some other relevant utilities implemented using ActiveRecord.

Adds simple management of multiple connections to different database.

Multibase provides support for Rails to manage several databases by extending ActiveRecord tasks that create, migrate, and test your databases

Add support for multiple, and varied sized bitfields to Active Record.

Easy MultiClient Support for Rails.

MultiClient::Api Module.

MultiClient::Backend Module.

This gem lets you specify different config file for an ActiveRecord Model

spree-multi-currency

See README.md for details

Creates a Rails 3 engine configuration with multiple dummy apps and test framework configured and ready to go

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

Fork of mocha_rails with support for multiple suite files

multi_models_paginator

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

Multipart templates made easy

Quickly add presence, cursor chat and more to your Rails app.

Management of multiple databases.

A Ruby gem for Rails that enhances the `pluck` function to select multiple columns