Automatically add breadcrumbs to each page by using locales

Model-side logic for autocompleting belongs_to associations

Easily use jQuery UI's autocomplete widget with Rails applications.

Fill in your brazillian addresses automagically

Framework that uses aws-ses to send newsletters

BAJA

BaseForm is a small and simple Rails plugin to work with Form Objects

Gem to conveniently handle multiple models in a single form with Rails 3 and jQuery or Prototype. Version maintained by fxposter, with some patches aimed at RailsAdmin.

Hybrid action logging, consisting of standard and custom logging.

This app extends active record to allow you to change the polymorphic type value in relationships. It also extends active record batching functions to be able to order records while batching. - As a bonus. the same 'split_batches' function is made available to Arrays It also adds optional auditing functions and password hashing functions, as well as migration helpers

Identity Management with OmniAuth

Billing Cycle is a gem used to calculate the next billing date for a recurring subscription.

gollum wiki as a mountable rails engine

A mountable Rails engine to create a payment server that can handle the money in your Bitcoin ecosystem

Blacklight Advanced Search plugin

Organized bookmarks for Blacklight

Search and view Blacklight resources on a map.

Allows delimited Solr facets to become hierarchical trees in Blacklight.

Blacklight IIIF Search plugin

Blacklight plugin providing map views for records with geographic data.