Signal (Instant Messaging)

wikipedia:Signal

• signal-cli
• Callmama

Related

• Telegram (Fragment)
• Discord
• Session (IM)
• xPal

See also

• signal-cli, --help
• Signal (Instant Messaging), signal-cli
• Instant messaging (IM), Messenger, Slack, Mattermost, RocketChat, Gitter, Discord, Microsoft Teams, Skype, Amazon Chime, Zoom, Google Chat, AWS Chatbot, LiveChat, APNs, Arattai, Zulip, Chanty, Fleep, Spaces, Zoho Connect, QQ, WhatsApp, Cliq, iMessage, Telegram