Assert that the conditions of your test are correct before testing

Easy (easier?) management of config/*.yml files. Defines a lookup priority for the current environment's settings.

Tool for auditing events.

Allows developers to define tables with specifically-sized columns, which can then have entries printed to them that are automatically formatted, truncated, and padded to fit in the console window.

Consort allows you to define relationships between various ORM/ODMs and access them similarly to ActiveRecord associations.

Makes upgrading to Rails 5 from Rails 4 easier

Ever wanted to peek inside your signed, encrypted Rails cookies? With this gem, it's easy.

1.提供了百度坐标（BD09）、国测局坐标（火星坐标，GCJ02）、和WGS84坐标系之间的转换. 2.坐标点到经纬度的相互转换.

Ruby wrapper for Copyscape API

Utility classes and Ruby extensions for non Rails projects

STEEM centric Discord bot.

Couchbase JRuby driver

A synchronization aid that allows one or more threads to wait until a set of operations being performed in other threads completes

Cookpad Global CLI.

A ruby gem for validating credit card numbers

A Ruby library for credit card BIN validation and brand identification

Unified interface for encrypted credentials and plain text file based

Test spy for any object. It makes mocks obsolete so you don't have to be worried about where to put the expectations (i.e. before or after the subject method).

Gem to calculate the distance of a point to a segment on a great circle.

Wrapper for Crunchbase API v2