Alternatívy programu Vmail pre Self-Hosted s licenciou s otvoreným zdrojom

• Self-Hosted
  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) Windows Mobile Java Mobile S60 Android TV Chrome OpenPGP
• Licencia Open Source
  Akákoľvek licencia Bezplatná licencia Licencia Open Source Obchodná licencia