OpenHAB is new home automation project that “aims at providing a universal integration platform for all things around home automation.”
Sometime I think that half of the computer programmers have attempted writting their own home automation platform, so I know there are a lot of these, but this one seems to be fairly active right now and fairly promising. I was able to get the demo running on my computer without a problem.
Interfacing Vera would involve writing what OpenHAB refers to as a “binding”. Basically a Java based interface class.