Alternativy k Mailsmith pro iPad s licencí open source

• iPad
  Všechny platformy Windows Mac Linux Chrome OS Android iPhone Apple Watch iPad Android Tablet Windows S Web Self-Hosted BSD Xfce Haiku PortableApps.com Slack F-Droid Ruby Gmail GNOME Cloudron Amazon Echo (Alexa Voice Service) PureOS (Purism)
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence