Seems like a promising concept as real alternative to Google/Bing.

Initially I couldn’t figure out how to spell it and this doesn’t help to grow the branding. Apparently it’s pronounced “mumble”, so I recommend they just renamed it to mumble for better brand recognition. It’s way easier to spread the word.

There’s Safe Dot that also notify if an app is using location and camera, besides microphone. It’s available on F-droid and Play Store.

https://github.com/kamaravichow/safe-dot-android

I think if you can troubleshoot your own built PC, that’s pretty much a tech person, even though you can’t code.