@lightweight >coordinating public transport trips, Google Maps is quite crucial at the moment
This software is excellent at handing public transport trips: https://fdroid.org/en/packages/de.schildbach.oeffi/

It doesn't look like New Zealand public transport is supported - I guess that needs to be added.

>I only use non-#FOSS if there's nothing viable in that space
You only used non-gratis, source-available software, if there's nothing viable in that space?


I tend to just find other way to do things if there's only proprietary software that can do something, as I value my freedom above convenience.