You can setup the check when a password can be reused by a user. It lets you configure the last 'n' password can not be used by user when they change it.

An activeModel Validator that provides a quick and easy way to validate a password against a user defined schema

Easy upload management for ActiveRecord

Module that defines a tree data structure based on a path.

Cliente do Pato

Patriach is about adding behaviours on the fly to good old active record models.

Patriach is about adding behaviours on the fly to good old active record models.

Ruby gem developed to help with pagination, filtering, sorting, and including associations on both active record queries and custom sql queries

Using Peacekeeper, you can develop models separately from the ORM used to persist data.

Introduces ActiveRecord to PostgreSQL, adding support for PostgreSQL specific features.

PeijiSan is a Rails plugin which uses named scopes to create a thin pagination layer.

Adds WSDL/SOAP and XML-RPC web service support to Action Pack

Percent objects and integration with Rails

Allows to use percona in rails migrations.

Allows to use percona in rails migrations.

Helpers for using pt-online-schema-change with Rails.

Repository/Entity pattern conventions.

Repository/Entity pattern conventions. This is an adapter for ActiveRecord.

Support functions for ActiveRecord models with periodic entries

Continous integration solution compatible with travis.ci