Alternativ till Openbravo för Apple Watch med gratis licens

• Apple Watch
  Alla plattformar Windows Mac Linux Android iPhone Windows Phone Apple Watch Android Wear iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) PHP Python MySQL Community Edition MariaDB Oracle Database PostgreSQL
• Gratis licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens