I’ve played a little bit with integrating Clojure and Rails (via JRuby). This is all very rudimentary, check out the repository at GitHub.
This is a single archived entry from Stefan Tilkov’s blog. For more up-to-date content, check out my author page at INNOQ, which has more information about me and also contains a list of published talks, podcasts, and articles. Or you can check out the full archive.