So my latest side project is Buzzy, an AI assistant geared toward answering my kids' questions. They like talking to Alexa but it frequently gives irrelevant results, so I'm hoping to give them something both smarter and more fun.
Any voice assistant needs wake word detection and while it would be fun to train my own model here, PicoVoice works great out of the box. A tad expensive if you're a solopreneur without a budget, but totally free for personal use.
Buzzy lives at https://github.com/dimfeld/buzzy and I'll continue updating here as things get going!