Alternativer til footnote til Kindle Fire med open source-licens

• Kindle Fire
  Alle platforme Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Opera Safari Internet Explorer BSD Windows Mobile Xfce PortableApps.com Chrome Firefox OS Termux
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens