Alternativas ao FCorp My Calendar para Windows com licença de código aberto

• Windows
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Blackberry Blackberry 10 Apple Watch Android Wear Pebble iPad Android Tablet Kindle Fire Web Software as a Service (SaaS) Firefox BSD Windows Mobile Xfce PortableApps.com Chrome HP webOS Gmail Sunbird
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial