WatchMaker Watch Face - With WatchMaker you get access to 1000's of stunning watchfaces and a designer to build your own.
wasp-os - Firmware for smart watches based on the nRF52 family of microcontrollers (including Pine64 PineTime)
Huawfaces - Huawfaces provides a large number of WatchFaces for installation Huawei Watch GT, GT2, GT2E, and GT2 Pro.
Wear Gesture Launcher - Wear Gesture Launcher – Wear OS – Wear Launcher that lets you forget about swiping that long of small icons, just tap, draw, and do.
Pujie Black - A high quality watch face designer for Wear OS and Samsung Galaxy watches
InfiniTime - InfiniTime is an open-source, C++-based firmware OS specifically made for the PineTime smartwatch.