I started integrating MySensors with my system. MySensors allows me an easy integration with Domoticz. However, I still use RF433 modules because they are cheaper. I plan to add RF433 nodes with the help of VirtualWire library.
My first step is available: integration of remote light switched Chacon DI.O : https://wiki.sgripon.net/doku.php/add_chacon_di.o_remote_control_support_in_domoticz