Provides EAN, ISBN, and ASIN classes and validators in Ruby

Bourgeois is a Ruby library that makes using presenters a very simple thing.

BPMN is a workflow gem for Ruby applications based on the BPMN standard. It executes business processes and rules defined in a modeler.

Emissão de Boletos Bancários em Ruby

Validates brazilian documents like CPF, CNPJ and IE.

Extends CanCan with dynamic, inheritable permissions stored in a database, with caching and multi-tenant refinements

Role specific Permits for use with CanCan permission system

No magic authorization for Rails

Wraps up a CapsuleCRM API

Gem to communicate with CapsuleCRM

Validate carrierwave uploads are virus free with clamav.

Simple whole data validation via ActiveRecord

A ruby implementation of the Chilean 'comunas'.

A utility gem for Cielo Integration

This opinionated ruby client is intended to make it uncomfortably easy to use Cloudflare's models.

CommandModel - when update_attributes isn't enough.

Rails 3 validators for common numbers like PESEL, NIP, REGON

Tool for auditing events.

Small library for adding service layer to Rails projects

Run-time type checker and transformer for Ruby