In the era of COVID-19, partner training is a bad idea. You do not want to spend extended periods of time breathing heavily in the same space, and especially not indoors. Grappling is particularly risky.
Many martial arts already include social-distancing-ready methods in their standard training that can fill your social-distancing training hours. Many of ...
Which martial arts styles work best with social distancing?
I will talk about the striking arts (e.g., boxing, kickboxing, taekwondo, karate, etc.).
Working with non-humans:
Heavy bags are your best option now (from your YouTube channel, it seems you have some decent experience in striking). Most gyms where I am have opened with the policy that students ...
The only martial arts training that makes sense if social distancing is a priority is getting strong and fit in your home gym. Make of your body the strongest, fittest, fastest, most agile, flexible, and powerful version of itself it can be. When we have coronavirus treatments and vaccines so we can do contact training again, do that.
The two sports which come to mind are Chinese Tai Chi and Brazilian Capoeira.
Both of them are non contact sports. I think first one is like a gymnastics and second one is like a dance.
But they still widely considered by me as a form of martial art.
I've adapted the external forms I enjoy to "old man style" over 40, practiced with higher stances and less focusing. (Low stances are great for training, especially in youth, but have the downside of less mobility, both in the lower and upper body.)
This is because in middle age, I've practiced sufficiently that I don't need to execute full power ...