ruote is an open source Ruby workflow engine

Define your permission rules as role- or role group specific permits. Integrates well with multiple Devise user acounts. Includes rules caching. Store permissions in yaml file or key-value store

Ruby wrapper for Apache Spark

in between fixtures and whatever you want

maroon makes DCI a DSL for Ruby it's mainly based on the work gone into Marvin, the first language to support injectionless DCI. The performance of code written using maroon is on par with code using regular method invocation. For examples on how to use maroon look at the examples found at the home page

Pattern and library for implementing asynchronous caching

Cello is a framework that allows automate acceptance tests using page-object

Simple cross process stubbing

Haskell-style monad do-notation for Ruby

Simple artifact-based deployment for web applications.

Easily distribute any code in multiple servers

Give & take, serializing a ruby proc is possible, though not a perfect one (yet).

This provides achievement features for rails app.

A usable code block for rails to run your code asynchronusly, "\ "this will help in preventing writing of new jobs to run smaller pieces of code.

Provides helpers to test via Rspec or any other test framework by stubing highline or in integration tests directly by handling STDIN AND STDOUT

Provides and includes a module that helps to make solid scripts for data analysis

rails cache gem to fragment cache with smart cache key management

Assertion library for Ruby

It is a tool for execute script, and define cron on remote hosts.

Isolate databasedotcom materialized clases to work with multiple orgs safely