Activity feeds backed by Redis

acts_as_account implements double entry accounting for Rails models. Your models get accounts and you can do consistent transactions between them. Since the documentation is sparse, see the transfer.feature for usage examples.

Run adb command with peco

Simple plugin to add CSV export feature to Administrate

AppFog.com CLI

agcaldav is yet another great Ruby client for CalDAV calendar. It is based on the icalendar gem.

alfred-workflow is a ruby Gem helper for building [Alfred](http://www.alfredapp.com) workflow.

Combined events calendar for Google Calendar, iCal, and friends.

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

A ruby wrapper for Alpha Vantage's HTTP API

Relationships (e.g. friendships) backed by Redis

Amplitude Experiment Ruby Server SDK

ActiveModel Serializers addon for eliminating N+1 queries problem from the serializers.

A ruby implementation of Ansible's vault utilities. Currently supports the AES256 variant, no support for the original AESformat is planned.

Ruby implementation of GraphQL trace data in the Apollo Tracing format.

Ruby client for api.aptible.com

AsposeEmailJava is a Ruby gem that helps working with email documents using Aspose.Email for Java libraries

AsposeImagingJava is a Ruby gem that helps developers create, edit, draw or convert images using Aspose.Imaging for Java libraries

AsposeOcrJava is a Ruby gem that helps working with optical character & marker recognition documents using Aspose.OCR for Java libraries

Astronomy and astrometry Ruby library for astronomical data and events.