Alternatif untuk Mailsmith untuk Apple Watch dengan lesen sumber terbuka

• Apple Watch
  Semua platform 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)
• Lesen Open Source
  Mana-mana lesen Lesen percuma Lesen Open Source Lesen komersil