GroupMe | Group chat app
Instant messaging
QQ-轻松做自己
IRCnet.com
NGL
Numbers Station
JMP.chat
ICQ – stay connected
Bridgefy – Offline Messages App & SDK
Macaw
SimpleX Chat
Zangi Messenger
balzack/databag · GitHub
Utopia P2P Ecosystem
Clubhouse
Hamsket · GitHub
Adium
BlueBubbles - iMessage
Brax.Me
Revolt
Berty.tech
Iris.to
Weechat-matrix
quotient-im/Quaternion
Nheko-Reborn/nheko
FluffyChat
Delta Chat - e.mail messanger
TOX.chat
Cwtch
TextNow
Zulip - team chat with topic-based threading