Think auto incrementing field from SQL for mongoid.

Validate iTunes In-App purchase receipts, including auto-renewable subscriptions, with the App Store.

natto provides a naturally Ruby-esque interface to MeCab. It runs on both CRuby (mri/yarv) and JRuby (jvm). It works with MeCab installations on Windows, Unix/Linux, and OS X. No compiler is necessary, as natto is not a C extension.

Nested scaffold generator for Rails

WebDAV client library in the style of Net::HTTP, using Net::HTTP and libcurl, if installed

A CLI tool for ip, dns, mac, and geolocation data, with clean output for piping

Wrapper around Net::HTTP with AF_UNIX support

Ngrok-tunnel gem is a ruby wrapper for ngrok

Omniauth strategy for Keycloak

OnkCop is a RuboCop configration gem.

To have all your data in one place: the database

A Postgres advisory lock client

Synchronize between Cucumber and Pivotal Tracker

A tool for writing Android applications in Mirah

Pippi is a utility for locating suboptimal Ruby class API usage.

Rubygems plugin system using Gem.find_files, $LOAD_PATH and $LOADED_FEATURES.

Prawn/QRCode simplifies the generation and rendering of QRCodes in Prawn PDF documents.

A lightweight layer above Thor to quickly create beautiful command-line interfaces.

A collection of useful starter kits to help you prototype faster

Add a JRuby-compatible debugger to 'pry'. Adds 'step', 'next', 'continue', `break` and `breakpoints` commands to control execution.