Yell - Your Extensible Logging Library has officially hit verion 1.0.0 and you will not want to turn back ;-) Yell features highly customizable log formats (with a no-sweat setup), thread safety, multiple adapters, easy setup from YAML and a nice extendable DSL. Browse the source or have a look at the wiki for further information. Want to use Yell with Rails? No problem ! Want to use Yell with Graylog2? No problem ! Want to use Yell with syslog? No problem ! Want to write your own Yell adapter?
Full article: http://www.rubyflow.com/items/8220-yell-1-0-0-is-out