Several . . . the search function on the community would of brought up a few options, here is the device type & smart app and more info for the most common ones . . .
current device handler: 1.7.4, updated: 28/03/2017
current smartapp: 1.6, updated: 25/01/2016
What you can do with this
This allows you to correctly set up Z-Wave.me , Popp, & Devolo Wall controllers and Key Fobs. The Device type alone will mean that they work as you (& ST!) would expect and plays nice with other apps, and if dimming is important to you this accompanying app will allow you to have dim events performed whilst rocker switches are held down. Other actions (like double clicks and click-holds) can be used with the Smartapp as well as CoRE.
Some info on the Wall Controllers
These wall controllers are very cool. You can buy the inside part, cover plate, and rocker switches separately, so you have a hell of a lot of flexibility in terms of how they end up looking. For example,…
Z-WAVE.ME // POPP // DEVELO all have options