What I find D interesting is that it is a really good fit for scientific programming. Maybe Julia is an answer, but in terms of producing interoperable code, it

What I find D interesting is that it is a really good fit for scientific programming. Maybe Julia is an answer, but in terms of producing interoperable code, it is the holly Grail. And people can port their Java code mostly painlessly. Science is the killer app of D where GC is a blessing in disguise.