Baretest is a Testframework that tries to stay out of your way, but support you when you want it. In order to do so it has a load of features:

Capistrano recipes for setting up and deploying to a Ubuntu Machine

Fail RSpec specs that stub the object under test.

A more user friendly interface to the xcode-select command showing more info, xcsim - access the simulator application folders quickly

Supports MongoDB style sharding and mirroring

A simple low-abstraction layer which communicates with Joyent's Triton service.

rscaffold is a similar concept to jeweler, but is meant to be simpler and smaller.

RSCM is a Ruby library for various Source Control Management (SCM) systems.

Unified interface for ftp/sftp protocols, specific protocol is selected by uri scheme

It help when you need to create some shell script with Ruby.

a quick a simple gem to wrap and install wysihtml5 into a rails gem so that its assets are served correctly

xmonitor is prototype of server monitoring tool. Aiming at easy and low cost monitoring tool for hobby use or small site.

Extract data for all-time-highs, new-highs, new-lows and store. Generator for schema and Ruby scripts for integration with Rails.

The gem adds body_class and body_id helpers to your Rails app. The ID is based on the name of the controller and the class is based on the name of the action. Use this in your CSS to provide page-specific styles. For example, when accessing http://example.com/post/123, the body ID would be "post"...

Use Barrister RPC to enforce call semantics between client and server - with both running in the same process. Useful in the beginning of a project.

Wahy is a CLI tool and Ruby library for querying the Holy Quran's 114 chapters and verses. Browse chapters by name or number, filter specific ayahs, and display results with colorized terminal output. Supports English (Yusuf Ali) and Turkish (Elmalılı Hamdi Yazır) translations. Also usable as a l...

A utility which shards specs.

Dye adds the basic ANSI styles to any string, allowing also to define your own stiles

RCrypt is a simple RSA encryption library for your Ruby scripts. It aims at being a no-frills encrypt-decrypt solution when that is all you actually need.

A tool to remotely scan for and investigate X.509 certificates used in SSL/TLS