Alternativas ao Gogtasks para Kindle Fire com licença de código aberto

• Kindle Fire
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Blackberry 10 Apple Watch Android Wear Pebble iPad Android Tablet Kindle Fire PlayBook Web Self-Hosted Software as a Service (SaaS) Firefox BSD Apple Messages Chrome Install Chrome Extensions Google Chrome to Phone
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial