Restart puma when files change

Guard::Sidekiq automatically starts/stops/restarts sidekiq worker

Building your iOS apps has never been easier

Hallon allows you to write Ruby applications utilizing the official Spotify C API.

Complete, fast and testable actions for Rack

Validations mixin for Ruby objects and support for Hanami

A command line hash identifying tool and checking library.

HashDot allows you to call hash properties with a dot the same way you would call, say, ActiveRecord relationships and attributes. More traversable and often faster than OpenStruct.

Beat Heroku's 60s boot timeout with a forward proxy.

Manage multiple Heroku instances/apps for a single Rails app using Rake. It's the Capistrano for Heroku, without the suck.

Unicode support for hirb

Pure Ruby SSH 2.0 server and client implementation

An implementation of the HyperLogLog set cardinality estimation algorithm in Ruby using Redis as a back-end

GEM providing helper scripts to manage i18n translations in Google Docs. Features: check YAML files for missing translations; export YAML files to CSV; download translations from multiple Google spreadsheets and store to YAML files

Provides a backend to the i18n gem to allow a definition to contain embedded references to other definitions by introducing the special embedded notation ${}. E.g. {foo: 'bar', baz: ${foo}} will evaluate t(:baz) to 'bar'.

ibanizator generates the correct IBAN for given account number and bank number for german accounts. It is possible to validate given international IBANS. Calculates also the BIC and bank names for given german bank codes.

Generalized implementation of the rack middleware abstraction for Ruby.

Helps to get ids or screen names from links to social network accounts

Image manipulation in JRuby with ImageScience compatible API

Image comparison lib built on top of ChunkyPNG