Alternativ till Goalkeeper för Apple Watch med öppen källkodslicens

• Apple Watch
  Alla plattformar Windows Mac Linux Chrome OS Android iPhone Apple Watch iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) BSD Chrome Ruby MySQL Community Edition Cloudron MariaDB Ruby on Rails Microsoft SQL Server PostgreSQL
• Open Source-licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens