Alternativ till Cariibou för Android Tablet med gratis licens

• Android Tablet
  Alla plattformar Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Android Tablet Kindle Fire Web Self-Hosted Software as a Service (SaaS) Windows Mobile Java Mobile iOS F-Droid Ubuntu Debian CentOS Windows Server 2012 Red Hat Windows Server 2008 R2
• Gratis licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens