Alpaca API lets you build and trade with real-time market data for free.

Migrate multiple tables with similar schema at once.

Ruby library for the Amadeus travel APIs, providing hotel, flight, airport, and other travel related APIs.

A straight-forward REST API for Amazon's Flexible Payments Services.

Ambry is not an ORM, man! It's a database and ORM replacement for (mostly) static models and small datasets. It provides ActiveModel compatibility, and flexible searching and storage.

Relationships (e.g. friendships) backed by Redis

Angular File Upload is a module for the AngularJS framework.

ANSI color sequence to HTML

Antenna aims to take the pain out of creating and distributing all the necessary files for Enterprise iOS over-the-air distribution. It generates the mandatory XML manifest, app icons and an HTML file, automatically extracting all the needed information from the specified .ipa file.

Is that gem any good?

Play/pause/skip songs in iTunes Mac, iTunes Windows, Spotify Mac, Rdio Mac, MPD, Rhythmbox, Amarok and XMMS2

API client for apihub.co

Teardown tool for ipa, apk, aab, hap mobile files and Windows, macOS and dSYM file, even support for info.plist and .mobileprovision files

Fully-featured library for fetching and creating content with the Apple News API.

Appscms theme for all tools

A compiler for a Clojure-like programming language on the Rubinius VM

Ruby client for api.aptible.com

Ruby client for auth.aptible.com

Aptly API client

Keep your /etc/apt/sources.list up to date