A service framework similar to Immutant.
https://github.com/puppetlabs/trapperkeeper https://github.com/puppetlabs/trapperkeeper-demo http://thinkrelevance.com/blog/2013/06/04/clojure-workflow-reloaded https://github.com/puppetlabs/trapperkeeper-rpc https://github.com/puppetlabs/trapperkeeper/wiki