A module providing the seven standard resource actions & responses for an ActiveRecord :model_type & :collection.

A validator for ActiveModels that checks that attributes have not been modified since the last time the model was saved.

Ignores or raises error on destroy/delete of an ActiveRecord model, but is not marked as read-only and can be created/updated.

Ungarble multibyte download filename on certain platform. Rails integration included.

Unicorn Standby is on standby until it accepts the request.

Unified stateless cross-application CSRF prevention implementation for Rails

Unreliable helps uncover bugs in Rails apps that rely on ambiguous database ordering. Installing it makes both your app and your test suite more robust.

postgres database extension to increment/decrement values safely and get back result.

The gem allows to update AR-records in batch

Stores and Accesses User Settings

Adds association_uuids= method on has_many and has_and_belongs_to_many associations

Fluentd filter for throttling logs based on a configurable key.

Allow for validation of only some attributes

Rails plugin that provides a validates_ip_format_of method to ActiveRecord models. IPs are validated by regexp. IP validation. Validate IP.

Log all changes to your models

Semantic version management for database records using ActiveRecord

Bridge between logig and view

The missing R to the Rails MVC

Plugin for nested has_many forms in Administrate

Crummy is a simple and tasty way to add breadcrumbs to your Rails applications.