Bangle.js
The Hackable Smart Watch.
Screenshots

Hunter's comment
the way it should have always been tbh, an open source smart watch from the start, that way we get rapid innovation and then we can just work on making better hardware each time -- instead of being locked into a platform like fitbit that then get's sold onto google anyway. ugh.
You can easily install new apps from the web or develop your own using JavaScript or a graphical programming language (Blockly). All you need is a Web Browser (Chrome, Edge or Opera) and you can upload apps or write code to run on your watch wirelessly! Bangle.js is waterproof and AI enabled and comes with bluetooth low energy, GPS, a heart rate monitor, accelerometer and more
Link
https://www.kickstarter.com/projects/gfw/banglejs-the-hackable-smart-watch?ref=thanks-tweet

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