Bystander for Blabbermouth that posts to Syslog

A simple client for the BlaBlaCar API (valid credentials required)

A/B testing made easy

A client for the Blackbaud API.

Blackbeard is a Redis backed metrics collection system with a Rack dashboard. It dreams of being a replacement for rollout and split, but is early in its development.

Blackbird::Retoure provides an Ruby implementation of the DHL Retoure REST API

This parses feed files for the Oberlin CIT office and loads them into a mysql db

Provides a ruby interface for the Black Book's API. Read more about it here: http://www.blackbookusa.com

A wrapper around BlackBook web services.

BlackBox turns any instantiated class into a singleton static class.

Various little helpers

This is an incredibly colorful highlighting formatter for structured log events. It is visually similar to Ruby's `Logger::Formatter`, but can display additional color-highlighted metadata on the same line or on subsequent lines.

If you need to map JSON to other JSON via some kind of mapping then this gem helps you to do that easily

noting.

Create blacklist rules for calendars with ease. Supports recurring rules for certain weekdays, date numbers, hour of day.

BlackCompany provides workhorses. But there is a limit to the number of them. So it's a thread pool :yum:

Sign token requests, publish, read history and presence, and manage queues on Blackevin. Standard library only: no runtime dependencies. Ruby 3.0 and up. Works in Rails, Sinatra, Hanami or plain Ruby.

A simple gem listing Black Friday Deals from various stores

black_hole is a cool name

A gem containing Blackjack libraries