A modern programming language that makes developers happier.

kotlinlang

I agree about theming... It would be the icing on the cake.  I have done some work, but nothing very genric.  Specific "hacks"... that worked for one offs...  

I am working on my presentation for our JUG next month.  Working on a simple application that highlights using TornadoFX.  I was trying to write a few blog posts leading up to it.  Hats off to you guys that write/blog...  It's always harder than I think it will be.

I really enjoy using TornadoFX.  It is actually "fun" to write with...