Alternativa Ruvenss Calculatoru za Kindle Fire sa licencom otvorenog koda

• Kindle Fire
  Sve platforme Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch Android Wear iPad Android Tablet Kindle Fire Web Self-Hosted BSD Windows Mobile Xfce PortableApps.com GNOME JustBrowsing
• Licenca otvorenog koda
  Bilo koja licenca Besplatna licenca Licenca otvorenog koda Komercijalna licenca