Alternativ till Dump Truck för Microsoft Office Outlook med öppen källkodslicens

• Microsoft Office Outlook
  Alla plattformar Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Windows Mobile Xfce Microsoft Office Outlook Raspberry Pi S60 Chrome Cloudron
• Open Source-licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens