>     https://man.netbsd.org/
>     https://man.freebsd.org/
>     https://man.openbsd.org/
>     https://man.dragonflybsd.org/
>     https://man.minix3.org/

https://man.archlinux.org/
https://man.voidlinux.org/

...

https://man.scheme.org/ :)