I created Caltrain apps in Swift and Kotlin (a port of KaiOS and J2ME versions).
Want RSpec's -fd for other languages,
see xctidy for Swift,
and ginkgo-fd for Go.
Some old talks: JRuby on App Engine at Railsconf 2010 in Baltimore,
and Mirah and Dubious at Appengine ja-night-10 at Google in Tokyo.







