Best AsteroidOS Alternatives & Competitors in 2025

Wear OS by Google is a version of Android for Watches!

Espruino is an open-source interpreter tool for microcontrollers that is based on JavaScript.

Open Source

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

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

A free and cloudless replacement for your gadget vendors' closed source Android applications.

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.

Strenght training logger.

The KDE® Community is a free software community dedicated to creating an open and user-friendly computing experience, offering an advanced graphical desktop, a wide variety of applications for communication, work, education and entertainment and …

Garmin Connect is a community-based website for runners, cyclists and outdoor enthusiasts who track...

Android Forum for Mobile Phones, Tablets, Watches & Android App Development

Lefun Health is one of the best health companion app featured with a pedometer and heart monitor that continually calculates your heartbeat and total steps throughout the day.

Mobian, Debian for mobile devices

Operating system for smartphones and tablet computers, based on the Android