Smartwatch OS

Amazfit: health management expert on your wrist. Visit our official online store and explore amazing smartwatches like Amazfit GTS 2, GTR 2, Bip and more!

Find your fit with Fitbit's family of fitness products that help you stay motivated and improve your health by tracking your activity, exercise, food, weight and sleep.

watchOS 9 brings a Workout app packed with new features, a new Medications app, greater insights for sleep and heart health, and much more.

Connect to your Google apps, health and wellness, and more right from your wrist with a Wear OS smartwatch. Maps and directions, music and media controls available to you with a glance.

Firmware for Pinetime smartwatch written in C/C++ and based on FreeRTOS - InfiniTimeOrg/InfiniTime: Firmware for Pinetime smartwatch written in C/C++ and based on FreeRTOS

A MicroPython based development environment for smart watches (including Pine64 PineTime) - daniel-thompson/wasp-os: A MicroPython based development environment for smart watches (including Pine64 ...

JavaScript on a Microcontroller

AsteroidOS is an open-source operating system for smartwatches.