BuckleScript: write JavaScript faster, safer and smaller
<i>"BuckleScript is one of the very few compilers which compiles an existing typed language to readable JavaScript."</i><p>Elm (type inference) is sort of. While there is a lot of OS type projects used, having bloomberg use it is a plus. Interesting that FB have build system ^Reason^ (build system) doing something similar (OCaml backend->JS) ~ <a href="http://facebook.github.io/reason/" rel="nofollow">http://facebook.github.io/reason/</a>