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Are they community-programmable? SDK, etc ?
Are they community-programmable? SDK, etc ?
https://www.espruino.com/Bangle.js2 https://www.espruino.com/Bangle.js2 seems to be the closest to open and well finished at the same time.
There is a SDK that looks quite decent:
https://developer.garmin.com/connect-iq/sdk/ https://developer.garmin.com/connect-iq/sdk/