Sure.
Basic info about their wall switches.
Here’s the post regarding the HE driver for the Insteon Express Server
Here’s what’s supported by the express server. Inputs we have not figured out for HE yet, but it’s more a matter of time and need, than lacking capacity.
I’m running the standalone Express Server. It’s been very stable as standalone vs integrated into Homebridge. I still run Homebridge on the same computer, but I’ve found that running separate instances works very well.