cm0002Pebble OS is already running on new hardware following source code drop
AnimalsDreamAlso used to be a Pebble enjoyer. I think realistically though, the world has moved on. There are other projects that carry the spirit of it too. I have a Pinetime, which is not nearly as good admittedly. Then there’s the Bangle.js which I’ve heard is really good. I will probably get one of these in the future because it does seem to be the best candidate as a Pebble successor.
Then if you have the right smartwatch, and a bit of tech skill, you can outright put Linux on your wrist with Asteroid OS.
PineTime
An Open Source Smartwatch For Your Favorite Devices. Low Cost, High Fidelity. The PineTime is a free and open source smartwatch capable of running custom-built open operating systems. Some of the notable features include a heart rate monitor, a week-long battery, and a capacitive touch IPS display that is legible in direct sunlight. It is a fully community driven side-project which anyone can contribute to, allowing you to keep control of your device.