Active Support is a collection of utility classes and standard library extensions that were found useful for the Rails framework. These additions reside in this package so they can be loaded as needed in Ruby projects outside of Rails.
You can read more about the extensions in the Active Support Core Extensions guide.
The latest version of Active Support can be installed with RubyGems:
$ gem install activesupport
Source code can be downloaded as part of the Rails project on GitHub:
Active Support is released under the MIT license:
API documentation is at:
Bug reports for the Ruby on Rails project can be filed here:
Feature requests should be discussed on the rails-core mailing list here: