Your Extensible Logging Library for Ruby

 Define multiple adapters, various log level combinations or message formatting
 options like you've never done before.
 .
 Yell works and is tested with ruby 1.8.7, 1.9.x, 2.0.0, jruby 1.8 and
 1.9 mode, rubinius 1.8 and 1.9 as well as ree.