Library for parsing and generating beerxml (http://www.beerxml.com/). More than that, this library also contains various methods for doing calculations on beer ingredients and recipes, among other helpers.

A highly available, reliable messaging infrastructure

Ruby gem to connect to diffbot's article api

bindef - A DSL and command-line tool for generating binary files

A Ruby client for the Bing Search API

Easy to use Ruby interface to the Bitcoind JSON-RPC API

Bitcoin IRC Tip Bot

Extentions for convenient filtering of blank, empty, and nil values from Hash and Array instances.

This is a simple interface to obtain data from Blizzard API

Bloom filters and Scalable Bloom filters (SBF) in pure ruby

An active record bookmark system developed using ruby on rails applying domain driven design and test driven development principles.

This gem extends core classes, adding helpful methods for working with Booleans (such as #to_bool and #parse_bool, and a Boolean type).

A somewhat fancy observer pattern library with features like named events and scoped subscriptions.

Braintrust Ruby SDK for evals, tracing and more.

BrickFTP's REST API client.

A code-first approach to automate the writing of unit tests.

Bueller provides a command to create new gem project directories. Code to help you start testing is generated according to the testing framework you choose. Bueller also provides handy tools for versioning and releasing your gem to github and rubygems.

The tool helps ...

A Ruby wrapper for the Brandwatch API

Powerful text templating language similar to Smarty/Liquid/Django