I'd say you've pretty much covered all the options already.
The McLean seems to be a one-off item built by a non-cyclist, so not too surprising if it's not optimized. (I read that as "M-Clean" first).
https://mcleanmonocycle.com/abw-recumbent-trike-1/
I see a Greenspeed handcycle, but not a hand+foot cycle.