Insteon and x10 support?

is there any way to control my insteon and x10 appliances with smartthings??

There’s no easy way to do either, and no one way that does both, but some community members have, with the addition of custom hardware and software, succeeded in integrating them to a limited extent. But no out of the box method.

All of the following discussions are highly technical and discuss both code and hardware modifications.

For X10:

For insteon, this threads discusses several alternatives.