WatchMaker Watch Face - With WatchMaker you get access to 1000's of stunning watchfaces and a designer to build your own.
Axure - The most powerful way to plan, prototype and hand off to developers, all without code. Download a free trial and see why professionals choose Axure RP 9.
Meo watch face - Meo Watch Face is new designed for Moto 360 on other smart watch (Android Wear).
Balsamiq - Balsamiq. Rapid, effective and fun wireframing software.
Pujie Black - A high quality watch face designer for Wear OS and Samsung Galaxy watches
Moqups - The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project