Has anyone tried #OpenVoiceOS ? What was your impression if so?

"OpenVoiceOS is a community-driven, open-source voice AI platform for creating custom voice-controlled ​interfaces across devices with NLP, a customizable UI, and a focus on privacy and security."

https://www.openvoiceos.org/

(I'd like to have a #SmartSpeaker-type device, but I don't want Amazon, Google or Microsoft to listen to my home.)