Amazon Web Services

Official and community-built utilities for working with Amazon's AWS cloud services

A long-lived project that still receives updates
The Ruby cloud services library. Supports all major cloud providers including AWS, Rackspace, Linode, Blue Box, StormOnDemand, and many others. Full support for most AWS services including EC2, S3, CloudWatch, SimpleDB, ELB, and RDS.
The project is in a healthy, maintained state
Official AWS Ruby gem for AWS Resource Groups Tagging API. This gem is part of the AWS SDK for Ruby.