openhab-docs/features/addons.md

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# Available Add-ons

All optional add-ons for openHAB 2 are part of the distribution. This includes all new 2.0 bindings as well as all 1.x add-ons that were reported to be compatible. 
_Note_: If you are successfully using a 1.x add-on with the 2.0 runtime, which is not yet on this list, please create a PR for adding it!

| Add-on Type | Description |
|-------------|----------------------|
|[Bindings](bindings.html)| Bindings integrate physical hardware, external systems and web services in openHAB |
|[User Interfaces](uis.html)| User interfaces are either native smartphone apps or web applications that access the openHAB server through the REST API |
|[System Integration](io.html)| System integrations expose openHAB to an external system |

...

## Compatible Applications

| Application | Description |
|-------|----------------------|
| [iot_bridge](https://github.com/openhab/openhab/wiki/ROS-Robot-Operating-System) | Bridge between ROS Robot Operating System and openHAB |