Alternativer til Babble til Kindle Fire med gratis licens

• Kindle Fire
  Alle platforme Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Apple Watch iPad Android Tablet Kindle Fire Windows S Web Software as a Service (SaaS) Firefox Chromium Xbox BSD Windows Mobile Wordpress PortableApps.com Apple TV Chrome Joomla Blogger
• Gratis licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens