Alternativ till CloudEmail.io för Windows Mobile med kommersiell licens

• Windows Mobile
  Alla plattformar Windows Mac Linux Chrome OS Android iPhone Blackberry Blackberry 10 Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Windows Mobile Java Mobile F-Droid S60 Android TV Chrome MetaMask OpenPGP PureOS (Purism) S/MIME DAVdroid
• Kommersiell licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens