Add PostgreSQL multiranges support

Adds a :uuid column to ActiveRecord MySQL2 Adapter. Store UUIDs as 16 bytes binary column.

A simple ActiveRecord extension to support where with comparison operators (`>`, `>=`, `<`, and `<=`).

Provide access to PostgreSQL's sequences

Database sharding library for ActiveRecord

Guarantee uniqueness of a single attribute across one or more children of an ActiveRecord object Works around https://github.com/rails/rails/issues/4568

Track activities in your ActiveRecord models.

Address Composer formats address components using worldwide regions formatting templates

A simple Oauth App to automatically add users to an organization.

AOP with anonymous modules

Ruby wrapper for Agile CRM API.

Provides a simple interface to the Allscripts Unity API using JSON. Developed at healthfinch by Health Catalyst https://healthcatalyst.com

Client for Ex Libris Alma Web Services

Realtime MIDI IO with Ruby for Linux via the ALSA RawMIDI API.

Alt Memery is a gem for memoization. It's a fork of Memery with implementation via `UnboundMethod` instead of `prepend Module`.

Android Debug Bridge extension provides convenient metaclass to execute ADB shell commands.

Rails engine to implement a Ruby backend store implementation for Annotator, an open-source JavaScript library to easily add annotation functionality to any webpage.

DSL for writing scripts to drive TN5250 green-screen applications

DSL for writing scripts to drive TN5250 green-screen applications using Telnet via SSH tunneling

converter from Aozora Bunko format into xhtml. It's based of t2hs.rb from kumihan.aozora.gr.jp.