Of course there are not many options... a normal maintained software needs an income source.
One option you can look into is Ultra VNC. It's a very powerful and customizable tool proudly free even for commercial use. The downside is gonna be that it is way more complicated to set up and use and is not as aesthetically nice.
Another possible option to look ...
Personally I have a work laptop and home laptop on my home desk with a single large monitor, ergonomic keyboard and mouse. I use a KVM switch to toggle between the two as:
It is not at the mercy of a setting that the work IT admins might decide to change at any point in time.
No need to install any software onto the work laptop
Minimal cost (you can get a ...