Windows will probably be done in a year, but it's hard to say. Hardest part is finding people who want to work on windows support xD

I love crystal and I have a lot of autonomy so I get to use what I want. Shainet is also really good in general for coming up with new network topologies, which I find is a lot harder to do in a lot of the python-based mega-frameworks, Cafe, etc. In general, fibers are really good for concurrent/parallel data processing, and now that crystal has true parallelism (enabled with a flag), for my purposes there is no reason not to use it.

Occasionally I will use rust or C/C++ for some of these tasks, but I try to keep things in crystal whenever I can.