A composable application toolkit, providing data entities and collections, transforms, contract-based validations and pre-built operations. Architecture agnostic for easy integration with other toolkits or frameworks.

An opinionated implementation of the Command pattern for Ruby applications. Cuprum wraps your business logic in a consistent, object-oriented interface and features status and error management, composability and control flow management.

A collection of RSpec patches and custom matchers. The features can be included individually or by category. For more information, check out the README.

Toolkit providing an encapsulation layer around the Thor CLI library, with predefined tasks for development and continuous integration.

A focused library for specifying and validating data structures. Stannum provides tools to define data schemas for domain objects, method arguments, or other structured data and to validate data against and coerce data to the defined schema.