ActiveModel-based JSONB document store

A package of helpers that introduce some conventions and convenience for common behaviors

Taiwanese Id Validator

Removes the tedium of form filling with SitePrism by allowing you to specify a set of fields, actions and submissions rather than procedurally calling Capybara’s DSL methods.

Threatinator is a library and tool for parsing threat data feeds.

Write data to Timex Datalink devices with an optical sensor

Trust is a resource oriented framework for authorization control. It is compatible with Rails 3 and 4. It has a loose coupling from the models, and features a native Ruby implementation language. Support for inheritance and namespaced models as well as nested routes. Even permissions scheme supports inheritance.

Adds type validation for classes with ActiveModel::Validations.

Provides the Consumer part of the Untied gem.

URI validation for ActiveModel

A module that helps you to implement the Use Case design pattern

Rails ActiveModel gem to access Usergrid / Apigee App Services

validates that username is not included in reserved list.

UUID Validator for ActiveModel

A CUIT/CUIL validator for ActiveModel & Rails with multiple customizable options

Common Rails validations wrapped in a gem.

Uses the power and familiarity of ActiveModel::Validations to validate hash structures. Designed for detecting and providing feedback on bad requests to your RESTful Web Service.

validation_examples_matcher provides rspec matcher testing validations with examples.

ActiveModel validations for domains (including TLDs), ip addresses and email addresses with fully localization support.

Validator for european countries VAT numbers for ActiveModel