Corefines is a collection of general purpose refinements for extending the core capabilities of Ruby's built-in classes. It also provides a compatibility mode for older Ruby versions and alternative Ruby implementations that don't support refinements (yet).

See https://docs.corepro.io for more detail.

Provides simple UI abstractions for Rails

Tracking object system from Correios (Brazil).

STEEM centric Discord bot.

Cosmicrawler is crawler library for Ruby. It provides scalable asynchronous crawling by (http|file|etc) using EventMachine.

Couchbase JRuby driver

Command line interface to a couchdb deployment.

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

This gem is designed to abstract communications with the counterpartyd api server in an ActiveRecord-esque object model

A simple country code select helper. Works exactly the same as country_select but uses country codes instead.

The public version of CoverMyMeds API

A general purpose Rails utility plugin.

Cookpad Global CLI.

Generates interactive dependency visualisations (dot, d3.js) to study the architecture of C/C++ projects in detail

A collection of 2 middlewares to convert json formats to other formats such as camelCase and snake_case. Both converting responses and requests are supported.

CQL is a domain specific language used for querying a Cucumber (or other Gherkin based) test suite. The goal of CQL is to increase the ease with which useful information can be extracted from a modeled test suite and turned into summarized data or reports.

This library contains auto generated Mongo (Mongoid) models that correspond to the QDM (Quality Data Model) specification.

Crabfarm lets you build web scrappers using TDD, it is also very opinionated about the way a scrapper should be structured. Scrappers created by crabfarm can be hosted and monitored in the Crabfarm grid infrastructure.

Capstone is a disassembly engine written by Nguyen Anh Quynh, available here https://github.com/aquynh/capstone. This is the Ruby FFI binding.