This gem allows you to interact with java key stores in pure ruby. Keys and Certificates are represented as OpenSSL objects

Mina plugin to provide local task hooks that run before and after the mina commands.

Create .torrent files easily with this gem. The code is ugly, but it works :)

A Ruby implemenation of the well-known graph library called "networkx".

Parameters allows you to add annotated variables to your classes which may have configurable default values.

HTTP stub as DSL

A ruby command line/rack application for testing systems that send WebHooks using a HTTP POST request. Requests can be viewed via a simple web interface.

Post-framework Ruby view library. It is based on Tilt and meant to provide entire view layer for a web application (based on any framework or completely frameworkless).

Structured Text Renderer for the Contentful StructuredText field type

Annotating ActiveRecord models with lists of columns defined through DSL and checked with custom Rubocop's cop.

Humanize elapsed time from some Time instance to Time.now, e.g. '2 hours and 1 minute ago'

Some tools that make working with the Varnish HTTP cache easier, including things like doing mass purges of entire domains.

Is that gem any good?

Provides rails asset helpers to your client side javascript

Jenkins builder task for Continuous Integration/Continuous Delivery artifact promotion style deployments

A Ruby gem that wraps C locale functions.

Provides Ruby interface to Context.IO

The native AWS command line does not have an easy way to upload encrypted files to S3. The Ruby SDK has a way to do this, but not everyone wants to use it. This utility allows you to do client side encrypted uploads to S3 from the command line, which is useful for uploads from your CI system to docker containers.

ActiveSupport's delegation syntax is much more convenient than Ruby's stdlib Forwardable. This gem just extracts it as an independent functionality (available on-demand without monkey-patching Module).

Messaging system based on the reactor pattern. You can publish messages to a queue and then a demultiplexer runs an event loop which pops items from the queue and hands it over to a dispatcher. The dispatcher hands over the message to the appropriate handler. You can choose your own queueing service.