Apple Watch Series 3 - Apple's newest internet-connected smartwatch

tapiriik - Automatically synchronize your fitness activities between Garmin Connect, Runkeeper, Strava and more.

Fitbit Blaze - Fitbit Blaze is a smartwatch that includes both a heart rate monitor and a fitness activity tracker. It comes with a color touchscreen, and you can change both the watch's strap and frame. Read more about Fitbit Blaze.

SyncMyTracks - Sync your activities of the most popular sports tracking services.

Apple Watch - Apple Watch build with NextJS (ReactJS) & TailwindCSSGitHub repo: https://github.com/VishwaGauravIn/apple-watch

FitnessSyncer - Make Sense of Your Health and Fitness Data