Blacklist validator for Rails 3

Similar to ActiveRecord::Timestamp, this gem provides a blame datetime and user for create/update modifications to records. Configured models will be blamed when creating or updating, and the blame can cascade to associated models on create, update or delete. Currently, this gem is intended for use with Devise.

Bliss API client library

This gem is usable for making blockchains from database through models.

Rails engine for Bloom Remit users

包括access_token、js_api_ticket的获取，发送消息，模板消息，生成二维码，获取用户信息等。

Ruby bindings for the Bodhi API & factories for random data generation

Boolean validator for ActiveModel.

web bot crawling dsl

BoxOffice gives you the box office grossing through the years.

We can validate CPF and CNPJ formats and verifying digits.

Validations for CPF and CNPJ

It gives you a lot of useful validators for Brazillian documents or phones. Allow ActiveModel validations

This gem provides a Ruby wrapper around the Brickset.com (v2) API. The Brickset.com API responds with XML. This gem maps that into Ruby objects using Happymapper.

Implementation of Brid gem on ActiveModel

CLI tool for bath csv file processing via BriteVerify API

Provides an ActiveModel validation that checks if an attribute represents a legal BSON::ObjectId .

Check if a BTC address looks valid.

Extras for Chef's knife command

CFDI generator for 3.3 version.