Alternativa Peace Mailu za sve platforme s licencom otvorenog koda

• Sve platforme
  Sve platforme 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 Cloudron OpenPGP
• Licenca otvorenog koda
  Bilo koja licenca Besplatna licenca Licenca otvorenog koda Komercijalna licenca