Simple way to specify API params

Adapter from Active Model Serializers, to work in Sinatra from a more practical way with models

Siphon enables you to easily apply/combine/exclude your ActiveRecord scopes with params

Small library to check if SIP doc has valid front matter

A simple wrapper around the Skimlinks APIs

Very simple automatic generation and saving nested attributes of models from html form. ActiveModel.

Create Rails style models without the database (and Rails).

A simple Ruby survey DSL which handles questions and answers. You need to manage persistence yourself.

Social Security Number (SSN) Validation

a little lack of tests but it works!

Replace your key/value classes with this. Define classes with several 'singleton' instances.

StorageRoom is a CMS system for Mobile Applications (iPhone, Android, BlackBerry, ...). This library gives you an ActiveModel-like interface to your data.

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.