Messagerie instantanée

Proprio

• WhatsApp by Facebook
• Snapchat, Snapchat
• Jami
• Wickr, Wickr by Amazon AWZ

Client libres mais réseau proprio

• telegram
• Signal

Logiciels libres

• SimpleX Chat
  • client https://github.com/simplex-chat/simplex-chat
  • server https://github.com/simplex-chat/simplexmq
• Delta Chat
  • https://github.com/deltachat/