AsteroidOS is the open-source operating system for smartwatches with an active development community and growing list of supported watches.
Cost / License
- Free
- Open Source (GPL-2.0)
Platforms
- Linux




wasp-os is described as 'Wasp-os (Watch Application System in Python) is a firmware for smart watches that are based on the nRF52 family of microcontrollers, and especially for hacker friendly watches such as the Pine64 PineTime' and is an app. There are eight alternatives to wasp-os for a variety of platforms, including Android, Linux, iPhone, Android Tablet and iPad apps. The best wasp-os alternative is AsteroidOS, which is both free and Open Source. Other great apps like wasp-os are watchOS, Wear OS, InfiniTime and Rebble.
AsteroidOS is the open-source operating system for smartwatches with an active development community and growing list of supported watches.




watchOS helps you better understand your daily health status using your overnight vitals and shows you how workouts impact your body over time.




Wear OS is a version of Google's Android operating system designed for smartwatches and other wearables. By pairing with mobile phones running Android version 4.4 or newer, or iOS version 9.








Espruino is a JavaScript interpreter for microcontrollers. It is designed for devices with as little as 128kB Flash and 8kB RAM.

Use the Apple Watch app to pair and sync your Apple Watch with your iPhone. Customize your watch faces and app notifications, choose and arrange the apps in your Dock, select photos and music to sync, and more.

