Activity Provider for store data of education in LRS (Learning Record Store) based on xAPI specification https://github.com/adlnet/xAPI-Spec/blob/master/xAPI.md

Activity Streams system by Fotonauts.

Actn.io DB

acts_as_api library adjusted to support sequel models

Rails 3 gem to treat an attribute as a decimal (getting and setting floating-point values) but storing it as an integer in the database (useful for prices and other precision-needed attributes like money).

Use dynamic attributes in your classes

Seamlessly integrates Java's Executor framework with Ruby on Rails

Acts as a Parameter Object cf. Refactoring: Ruby Edition

Description of ActsAsPluggable.

Sanitizable concern to sanitize attributes the way you like

Make ActiveRecord Attributes to act as status

Plugin to remove spaces on fields

An interface library for the PayPal Adaptive Payments service.

Disabling the rendering of the attribute name for errors by the error_messages_for helper. Simply place a caret as the first character in the message.

Form Object implementation for filling models from JSON with nested arrays

A ruby gem for writing CQRS applications

Distributed in-memory event-store.

ActiveModel::Serializers allows you to generate your JSON in an object-oriented and convention-driven manner.

Small library to check if AIP doc has valid front matter

Provides a familiar ActiveRecord-like interface for Airtable, built on top of norairrecord with validations, callbacks, and associations.