Renders and parses JSON/XML/YAML documents from and to Ruby objects. Includes plain properties, collections, nesting, coercion and more.

View Models for Ruby and Rails, replacing helpers and partials while giving you a clean view architecture with proper encapsulation.

View Models for Ruby and Rails, replacing helpers and partials while giving you a clean view architecture with proper encapsulation.

Form object decoupled from models.

Rails extensions for using Roar in the popular web framework.

Declaratively define hooks, add callbacks and run them with the options you like.

Drag and drop reordering interface for ActiveAdmin tables

Provides models, controllers and libraries that help OpenStax products define API's for user applications.

Use Trailblazer 1.1 and 2.x in one application.

simple api framework

Cells replace partials and helpers with OOP view models, giving you proper encapsulation, inheritance, testability and a cleaner view architecture.

DMV is a library to help get your forms under control

["Generic", "event-sourcing", "scaffold"]

Customizable, fast form builder based on Cells. Framework-agnostic.

Mighty resource fetchers build on top of Ransack gem

Explicit image processing based on Dragonfly with Paperclip compatibility.

Lightweight framework for service oriented applications based on bunny (RabbitMQ)

Usine (french word for factory) is a wrapper around factory_girl for Trailblazer’s operations.

Repository abstraction

Defines middleware which renders exceptions and notifies Bugsnag.