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.

wasp-os - Firmware for smart watches based on the nRF52 family of microcontrollers (including Pine64 PineTime)

Strava - The #1 app for runners and cyclists

Wear Gesture Launcher - Wear Gesture Launcher – Wear OS – Wear Launcher that lets you forget about swiping that long of small icons, just tap, draw, and do.

Kinomap - Kinomap app enables you to view videos to get guidelines about how to get into the perfect shape right through their mobile phone.

InfiniTime - InfiniTime is an open-source, C++-based firmware OS specifically made for the PineTime smartwatch.