Alternatívy programu ZeroMail pre Java Mobile s licenciou zadarmo

• Java Mobile
  Všetky platformy Windows Mac Linux Chrome OS Android iPhone Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) PHP Windows Mobile Java Mobile S60 Android TV Chrome OpenPGP S/MIME DAVdroid
• Bezplatná licencia
  Akákoľvek licencia Bezplatná licencia Licencia Open Source Obchodná licencia