Alternativ till Upthis för Apple Watch med gratis licens

• Apple Watch
  Alla plattformar Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S PlayBook Web Self-Hosted Firefox Xbox Playstation Java Mobile Facebook Apple TV Chrome Twitter Ruby on Rails LinkedIn Google AMP Reddit
• Gratis licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens