Apps like Mattermost

Here are some great alternatives to Mattermost by Mattermost :
Munin for Android
Munin for Android
★4.0
Servers Ultimate Pack E
Servers Ultimate Pack E
★4.6
Zulip
Zulip
★3.6
IMBox.me - Work messaging
IMBox.me - Work messaging
★3.7
Nextcloud Talk
Nextcloud Talk
★4.0
CloudWeb - File & Web Server
CloudWeb - File & Web Server
★4.0
TM Tunnel VPN - Fast & Secure
TM Tunnel VPN - Fast & Secure
★4.1
Seed4.Me VPN Proxy
Seed4.Me VPN Proxy
★4.3
YoYo Social
YoYo Social
★4.0
Chatstack
Chatstack
★3.3
Android Proxy Server
Android Proxy Server
★4.5
Android Proxy Server Pro
Android Proxy Server Pro
★4.5
TeamSpeak 3 - Voice Chat
TeamSpeak 3 - Voice Chat
★3.2
ThinkShield Edge Mobile Mgmt
ThinkShield Edge Mobile Mgmt
★3.5
Mqtt Broker App
Mqtt Broker App
★4.3
Qito VPN
Qito VPN
★4.5