It can create postgresql dump from mysql database or directly load data from mysql to postgresql (at about 100 000 records per minute). Translates most data types and indexes.

A gem to interact with the BGG API

A simple to use Rails-Engine-Gem that offers an admin interface for trusted user. Easy integratable and highly configurable and agnostic. Works with ActiveRecord and Mongoid.

bio-ngs provides a framework for handling NGS data with BioRuby

C2DM on Rails is a Ruby on Rails gem that allows you to easily add Android Cloud to Device Messaging support to your Rails application.

Admin Web UI to manage permissions - Who can do What on Which objects

Page Objects for Capybara

A CheddarGetter API wrapper for Ruby

Ruby wrapper for Cleverbot.

Ruby FFI bindings for the OSX Cocoa API

CodeRunner is a framework for the automated running and analysis of simulations. It automatically generates any necessary input files, organises the output data and analyses it. Because it is a modular system, it can easily be customised to work with any system and any simulation code. One of its greatest strengths is that it is independent of any one simulation code; thus it can easily plot and compare the data from different codes.

Validate an entry that will be used in crontab

Resource for looking up NAICS and SIC codes

CSI

Reusable Cucumber steps and API for post-convergence system integration descriptions

An easy-to-use Dropbox client with fine-grained control over syncs. Think of it as halfway point between the developer API and a normal client, which gives you control over what and when Dropbox syncs but handles all the details.

Diffbench is gem designed to benchmark the performance patches. It can run specified benchmark file before and after some changes made and show performance comparation result

A datamapper plugin for active_model compliance and thus rails 3 compatibility.

DataMapper plugin enabling simple versioning of models

MongoDB DataMapper Adapter