Alex

Something like this: https://apt.izzysoft.de/fdroid/index/apk/de.westnordost.streetmeasure

ETA: oops, I didn’t realise this uses a non-free component.

What nations practice voluntary taxation?

It does read like some long diatribe by someone who’s salty about paying taxes. I guess they aren’t worried about all the public services they pay for. I’m sure their monero will keep them warm into their dotage.