Alternativ till Zyptonite för Apple Watch med gratis licens

• Apple Watch
  Alla plattformar Windows Mac Linux Android iPhone Windows Phone Blackberry Apple Watch Android Wear iPad Android Tablet Windows S Web Software as a Service (SaaS) BSD Windows Mobile Haiku PortableApps.com FreeBSD
• Gratis licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens