I wish there was a privacy focused (preferably open source) ecosystem of health and fitness apps coupled with #Fairphone style gadgets like scales, fitness bands etc.
I know there are apps out there that respect your privacy and don't upload tons of data, but I don't think they really work together in the way #GoogleFit or #AppleHealth do.
#Strava is pretty good, but #privacy invading and costs for extra features.
#GoogleFit is free, but less powerful and privacy invading
There are some good options on F-Droid.org though, but they store data on your phone and not in a cloud, and they're graphically a bit more clunky. Currently I'm using Google Fit for my #running