MevoFit Fitness Tracker - MevoFit Fitness Tracker is an app that is designed to be an all-in-one solution for your fitness needs.
Wear OS Center - Wear OS Center – Android Wear Apps, Games, and News is an all-in-one launcher for your smartwatch that delivers all your Android Wear apps and watches faces all in a single place.
HitFit Pro - HitFit Pro is an app that allows you to connect your smartwatch to your smartphone and let them work together.
wasp-os - Firmware for smart watches based on the nRF52 family of microcontrollers (including Pine64 PineTime)
InfiniTime - InfiniTime is an open-source, C++-based firmware OS specifically made for the PineTime smartwatch.
Amazfit GTS WatchFaces - Amazfit GTS WatchFaces is an app that allows you to access new and beautiful watch faces for your smartphones.