Apps like Rocket.Chat

Here are some great alternatives to Rocket.Chat by Rocket.Chat :
Rainbow
Rainbow
★4.3
Pronto Team Communication
Pronto Team Communication
★3.7
Element - Secure Messenger
Element - Secure Messenger
★3.3
IMBox.me - Work messaging
IMBox.me - Work messaging
★3.3
Threema Work. For Companies
Threema Work. For Companies
★3.5
Nextcloud Talk
Nextcloud Talk
★4.1
SOCIETY: Secure Social Network
SOCIETY: Secure Social Network
★3.8
Messages
Messages
★3.9
TeamSpeak 3 - Voice Chat
TeamSpeak 3 - Voice Chat
★3.2
LiNKDOOD Secure Messaging App
LiNKDOOD Secure Messaging App
★5.0
SimpleX Chat
SimpleX Chat
★4.3
Chatwork - Business Chat App
Chatwork - Business Chat App
★3.4
GoChat: Meet Friends
GoChat: Meet Friends
★4.0
Teamwire - Business Messenger
Teamwire - Business Messenger
★3.9
Secure messenger SafeUM
Secure messenger SafeUM
★3.5
Charm - Live Video & chatting
Charm - Live Video & chatting
★3.7