ULM: Un Langage pour la Mobilité
ULM v0.5 is available for download as a source package for Linux here.

Warning: This is a stable-ish version of the project, but it totally lacks any sort of documentation whatsoever, and should only be used if you already know how to program in ULM (so that rules out 100% of the world, rounded down).

 
As far as I'm concerned, style is something that happens to other people...