Optimist is a commandline option parser for Ruby that just gets out of your way. One line of code per option is all you need to write. For that, you get a nice automatically-generated help page, robust option parsing, command subcompletion, and sensible defaults for everything you don't specify.

This package provides a ruby gem for rendering JSON API documents.

This gem provides multi-db support for Rails applications. Using its middleware you can partition your app so each hostname has its own db. It provides a series of helper for working with multiple database, and some additional rails tasks for working with them.

An efficient implementation of an lru cache

Generate private/public SSH keypairs using pure Ruby

This package provides a C-optimized method for determining if a string is blank

Test your JavaScript without any framework dependencies, in any environment, and with a nice descriptive syntax.

kaminari-activerecord lets your Active Record models be paginatable

lmdb is a Ruby binding to OpenLDAP Lightning MDB.

Deep Freeze Ruby Objects

Ruby applications tests profiling tools.

Contains tools to analyze factories usage, integrate with Ruby profilers, profile your examples using ActiveSupport notifications (if any) and statically analyze your code with custom RuboCop cops.

unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections and take advantage of features in Unix/Unix-like kernels. Slow clients should only be served by placing a reverse proxy capable of fully buffering both the the request and response in between unicorn and slow clients.

maintain versions as per http://semver.org

Simply builds and verifies OAuth headers

fast_xs escapes text so it can be embedded more directly into XML and HTML without having to deal with character set issues.

This gem provides jQuery and the jQuery-ujs driver for your Rails 4+ application.

RDF::Turtle is an Turtle reader/writer for the RDF.rb library suite.

Ruby FFI library

This package provides a Ruby binding to the Ed25519 elliptic curve public-key signature system described in RFC 8032.

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

This library provides arbitrary-precision decimal floating-point number class.

Helps creating valid Guard plugins and testing them

Ruby logger that writes directly to LogStash

The CSV library provides a complete interface to CSV files and data. It offers tools to enable you to read and write to and from Strings or IO objects, as needed.