Like Rails' assert_difference, but more compact and readable syntax through hashes, testing ranges and improved error reporting.

Adds email_token and email_token_updated_at columns. Works like Authlogic's perishable_token, but doesn't reset on every request. Designed primarily for verifying users' email addresses.

Simple signer module implements AWS4 signature

gem to generate localization string files from a Google Spreadsheet

Fetch social and economic indicators from Central Bank of Brazil (Banco Central do Brasil).

This gem lets you convert integers from and to whatever base you like. You can use array bases where you specify all the digits in the base, multicharacter digits and other niceties. By default, this gem avoids monkeypatching core Ruby classes, but it can be configured to monkeypatch too.

Email Verification that’s astonishingly easy and low-cost. See https://blazeverify.com for details.

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

Automatically creates a report of merged PRs since last deploy for pasting into slack

Models (pre)historical dates with (im)precision in Ruby

Card Game Library. Testable and Object Oriented.

Nagios check to monitor Passenger processes and memory

Cogy integrates Cog with Rails in a way that writing and deploying commands from your application is a breeze.

SpecReporter with easy to follow colors.

Authentication module using BCrypt; initially Hanami-specific.

A collection of data mining algorithms

Unload and upload database-tables to a file-system

Rails engine for Shopify applications.

Messaging engine

Dragonfly PDF analysers and processors.