Object Daddy is a library (as well as a Ruby on Rails plugin) designed to assist in automating testing of large collections of objects, especially webs of ActiveRecord models. It is a descendent of the "Object Mother" pattern for creating objects for testing, and is related to the concept of an "...

A small class for traversing object graphs.

Option combination generator.

octobok - book publishing tool for jekyll

This gem provides Ruby bindings to the v3 GitHub API

This is a gem used with the octohost project. It pulls data from Consul and outputs an nginx config file.

Open Compliance Toolkit

* oddb2tdat converts oddb.csv to oddb.dat * http://dev.ywesee.com/wiki.php/ODDB/Oddb2tdat

odds

Open For Editing: CLI Gem which opens specified files (ofe.json) for editing in your text editor.

Rubygem for interacting with OffensiveComputing.net, a malware sharing community. This allows for query and downloading of malware

officetxt (Office.TXT) - the free writer's command line tool suite

Fancy console output tools

Add ANSI color codes to strings using a simple markup.

Simple library to shorten the text by the specified length.

I'm tired of the complications that tools like bundler and rvm inject into my system and my workflow. I don't want 4 billion gems installed globally. I don't want to have `rake` slow down for no good reason. I don't want rvm to regress on undefined variables over and over and over (and I don't wa...

Ohnoes is a gem to report frontend errors using your existing backend error reporting.

OICFiscalPrinterLib is activex library for Novitus fiscal devices.

okuyama client for Ruby

Olag is Oren's set of utilities for creating a well-behaved gem. This is very opinionated software; it eliminates a lot of the boilerplate, at the cost of making many decisions which may not be suitable for everyone (directory structure, code verification, codnar for documentation, etc.).