R

rubygem

A Ruby library for testing your library against different versions of dependencies.

OpenID Rails plugin. A thin wrapper around rack-openid2 & ruby-openid2

Mountable Rails engine that provides OpenID server/identity provider functionality

Rack wrapper around ruby-openid2 library

OpenID library for Ruby

OpenID v2 (not OIDC) strategy for OmniAuth

Singer generates code (such as Sinatra apps) from templates.

Tool-oriented configuration: merge config from ~/, ./, ENV, and OptionParser; access as Hashie::Mash

RubyGem to manage emails on IMAP servers

RangeList is a library that can handle ranges quickly and appropriately.