I do not know about Zig, but Nim is used in production at multiple companies - biotech, cryptocurrencies, finance, had an attempted commercial video game app, e

I do not know about Zig, but Nim is used in production at multiple companies - biotech, cryptocurrencies, finance, had an attempted commercial video game app, etc., etc. See here [1] for example. [1] https://github.com/nim-lang/Nim/wiki/Organizations-using-Nim https://github.com/nim-lang/Nim/wiki/Organizations-using-Nim