Alternatívy programu EfficientPIM pre GNOME s licenciou s otvoreným zdrojom

• GNOME
  Všetky platformy Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Firefox Opera Safari Vivaldi Browser Python BSD Windows Mobile Chrome Docker Tor Browser Bundle Microsoft Edge Gmail GNOME GNU Emacs Ruby on Rails Brave Microsoft SQL Server OpenPGP Mono S/MIME
• Licencia Open Source
  Akákoľvek licencia Bezplatná licencia Licencia Open Source Obchodná licencia