Definitely not something I’d consider.
However, someone here on HN recently posted the open source voice assistant project mycroft:
Fun to mess around with on Raspi and eventually I may link it up with Home Asssistant.
Ohh that's exciting. I was excited about Snips when it came out for similar reasons but was really annoyed when they advertised custom trigger words so hard and then withheld it in the premium version.
On first glance, hmmm: why does this open source AI require that I create an account on their webpage before trying it out?
> Mycroft AI, Inc. maintains a device and account management system known as Mycroft Home. Developers may sign up at: https://home.mycroft.ai
By default, mycroft-core is configured to use Home. By saying "Hey Mycroft, pair my device" (or any other request verbal request) you will be informed that your device needs to be paired. Mycroft will speak a 6-digit code which you can entered into the pairing page within the Mycroft Home site.
[...]
> If you do not wish to use the Mycroft Home service, you may insert your own API keys into the configuration files listed below in configuration.