CrazyValidators enables easy validation of attributs of an ActiveModel class, such as alphanumericality, presence in a Blacklist.

Creature.

An upgrade/port of ActiveMerchant's credit card class

Cregexp is a library of commonly used regular expressions, written in Ruby.

a tiny lisp-like language written in ruby using treetop.

A ruby gem that allows you to easily integrate with the Irish Companies Registration Offices API.

Cronin can determine cron tasks executions

Enables simple cronjobs for rails

A module to allow CodeRunner to run the integrated tokamak modelling suite Cronos. Requires matlab and matlab-ruby (Cronos also requires Matlab).

Cron specification implementation

crontab parser for ruby

For cropping image

Crops images based on entropy: leaving the most interesting part intact. Don't expect this to be a replacement for human cropping, it is an algorythm and not an extremely smart one at that :). Best results achieved in combination with scaling: the cropping is then only used to square the image, c...

Real Time Foto Moderator (RTFM) is Crowdsourced Image Moderation. Keep your app clean!

A flat API client that sits atop the CrowdFlower API

= crucigrama Crucigrama is a library for the generation of crosswords. The gem includes as well a simple command line tool that, making use of the library, can generate and print crosswords. == Contributing to crucigrama * Check out the latest master to make sure the feature hasn't been imple...

A simple breadcrumb plugin for rails

Crunch statistics

Converts various BTC and LTC denominations

This gem provide a site analysis for crystal cell.