iobroker.e3oncan
Collect data on CAN bus for Viessmann E3 devices, e.g. Vitocal, Vitocharge, Energy Meters E380CA and E3100CB
homebridge-vcontrold
Plugin for homebridge: https://github.com/nfarina/homebridge to control Viessmann heatings via vcontrold http://openv.wikispaces.com/vcontrold