Aloha is a webserver, implemented using Netty and Clojure.
$ git clone http://github.com/ztellman/aloha.git ... $ lein run & Server listening on port 8080. $ curl localhost:8080 Aloha!
It is a simple but complete implementation of the Ring spec, mostly intended as a reference implementation for "Hello World" benchmarking. If you think you can improve the performance, please send a pull request.