I have an XP-Pen as well. Works great in Linux. I'm still amazed at how high quality these non-Wacom tablets are today. I had one of those cheap 6" Wacom Graphites back in the early 2000s and that was the best you could get. My XP-Pen blows that thing away. Still haven't found a great place to put it though. I'm just stashing it off to the side but it's awkward moving it around all the time. If you're on Linux,... - Source: Hacker News / about 1 year ago

I use Gromit-MPX. With it you can toggle "painting mode" with a hotkey (e.g. F9), making your screen essentially a big whiteboard on which you can draw in various colors and thiccnessess. Source: over 3 years ago

Maybe take a look at this Https://virtualmacosx.com Probably works as long as you don't need to use physical devices. Source: over 1 year ago

My trusty 12 year old mac died, and while I contemplate its permanant replacement, I discovered this site: https://virtualmacosx.com/ that rents a mac desktop for an hour a day for $12/mo . It's just the thing if your only mac requirement is to upload apps to the app store. Source: almost 2 years ago

You could also rent cloud Mac: https://virtualmacosx.com/. Source: almost 2 years ago