wasp-os - Firmware for smart watches based on the nRF52 family of microcontrollers (including Pine64 PineTime)
Mi Fit - Mi Fit is a band to monitor your health and fitness level on daily basis.
InfiniTime - InfiniTime is an open-source, C++-based firmware OS specifically made for the PineTime smartwatch.
Strava - The #1 app for runners and cyclists
MevoFit Fitness Tracker - MevoFit Fitness Tracker is an app that is designed to be an all-in-one solution for your fitness needs.
fitbit - The Fitbit mobile app is for people who use Fitbit fitness trackers to keep track of their activity goals, food plans, and other fitness related things. Read more about fitbit.