Great question. It's starting to gain a more mainstream following. Here are a few resources: * https://github.com/celluloid/celluloid https://github.com/cellul

Great question. It's starting to gain a more mainstream following. Here are a few resources: * https://github.com/celluloid/celluloid https://github.com/celluloid/celluloid * https://github.com/mperham/sidekiq https://github.com/mperham/sidekiq (built on Celluloid) * https://github.com/puma/puma https://github.com/puma/puma * http://tenderlovemaking.com/2012/06/18/removing-config-threadsafe.html http://tenderlovemaking.com/2012/06/18/removing-config-threa...