braingasm combines the readability of brainfuck with the high-level functionality of assembly

Enforce screen breaks at regular intervals, when you want them

Bumpy bumps your gem's version number.

Cacophony is a small program that broadcasts notifications via a variety of mechanisms, such as growl, email and twitter. It is great for notifiying you(or others) when a long running task is complete. It operates as a standalone executable, and it also can read from STDIN to pipe output from your tasks to the notifiers.

Curl can be a bit unfriendly, especially to developers just starting out. Cage wraps Faraday and Pry in order to provide an attractive and helpful interface to the web APIs in your life.

Caligari is designed to allow the quick and easy installation of configuration files by symbolically linking files from external sources directly to the user's home directory.

Migrations for Cassandra in CQL and Erb.

Execute remote commands via ssh on groups of machines

Resque can be very useful outside of a web app, too. What if you want to write jobs in Ruby and just enqueue them from your console? Or from a Java application? Or in cron jobs? Cavalcade to the resque! Cavalcade creates a resque-based, stand-alone job queue, and provides rake tasks to enqueue all of your jobs.

Nagios plugin to check cepmon rules

Oscillating Markov text generator

Search a Chef server via CLI or API given a role, name, or Chef environment

Use with Chef-Solo. Grabs node info as array of Hashes or String ips.

a library and commandline tool to pick causative mutation from bulks segregant sequencing

System health tool for everyone

CICADA (Colocalization and In-situ Correction of Aberration for Distance Analysis) implementation; see Fuller and Straight J. Microscopy (2012) doi:10.1111/j.1365-2818.2012.03654.x

Simple tool to manage various configuration files in repository

Hiera backend for decrypting encrypted yaml properties (Fix for Issue #62)

A utility for sorting messy folders

Cliff is a CLI client written in ruby for friendpaste.com