Kommunikation

E-Mail

Grafische Programme

• Thunderbird (Windows, Linux, MacOS)
• Claws Mail (Windows, Linux)
  
• K9 Mail (Android)
• FairEmail (Android)
  

Kommandozeilen-Programme (CLI/TUI)

• neomutt (Windows, Linux, MacOS)

XMPP

• Gajim (Windows, Linux, MacOS)
• Dino (Linux)
  
• Conversations (Android)
• blabber.im (Android)
  

Matrix

• Element (Windows, Linux, MacOS, Android, iOS)
  

VoIP

• Mumble (Windows, Linux, MacOS)
• Plumble (Android)