Lewix
Re:Fjord – F# programming language for the JVM
on Saturday March 30, 2013 @07:05AM (#5465052)
F# works very well on Mono. You can compile and use the open-source edition of the F# compiler [1] on both Linux and on OS X (though I haven't tried OS X).
This port is in very early stages, and only has the start of a lexer as far as I can see.