When I'm stuck on windows I use https://docs.microsoft.com/en-us/sysinternals/downloads/ctrl...
Of course adding setxkbmap -option ctrl:nocaps to ~/.xinitrc seems way easier to me. But I'm probably in the minority.
It's also on GitHub: https://github.com/randyrants/sharpkeys
It's also on GitHub: https://github.com/randyrants/sharpkeys