XPath is a Ruby DSL for generating XPath expressions

Ruby FFI library

Middleware that will make Rack-based apps CORS compatible. Fork the project here: https://github.com/cyu/rack-cors

Faraday adapter for Em::Http

Faraday adapter for EM::Synchrony

Catches exceptions and retries each request a limited number of times.

ActiveModel::Serializers allows you to generate your JSON in an object-oriented and convention-driven manner.

An elegant, structured (X)HTML/XML templating engine.

Track changes to your models, for auditing or versioning. See how a model looked at any stage in its lifecycle, revert it to any version, or restore it after it has been destroyed.

STDOUT text formatting

Ruby API for Elasticsearch. See the `elasticsearch` gem for full integration.

Convert directories, rpms, python eggs, rubygems, and more to rpms, debs, solaris packages and more. Win at package management without wasting pointless hours debugging bad rpm specs!

Ruby integrations for Elasticsearch (client, API, etc.)

Adds support for calculating Cyclic Redundancy Check (CRC) to the Digest module.

Provides a single point of entry for using basic features of ruby ORMs

Supervisors, Supervision Groups, and Supervision Trees for Celluloid.

Notifications, Internals, Logging, Probe, and essential Celluloid pieces demanding Supervision

Classes to support examples, benchmarks, or add special functionality.

Simple finite state machines with integrated Celluloid timeout support.

An implementation of an actor pool, based on the Celluloid concurrent object framework.