Apps like stashcat®

Here are some great alternatives to stashcat® by stashcat GmbH :
Threema Work. For Companies
Threema Work. For Companies
★3.6
Superchat
Superchat
★3.4
Chatgram Messenger gold plus
Chatgram Messenger gold plus
★4.6
Teamwire - Business Messenger
Teamwire - Business Messenger
★3.9
Troop Messenger
Troop Messenger
★3.5
Rocket.Chat
Rocket.Chat
★4.4
Team on the Run
Team on the Run
★4.3
Chatwork - Business Chat App
Chatwork - Business Chat App
★3.4
Online chat, calls - Gem Space
Online chat, calls - Gem Space
★4.1
Evertel - for Public Safety
Evertel - for Public Safety
★3.7
Secure messenger SafeUM
Secure messenger SafeUM
★3.4
Softros LAN Messenger
Softros LAN Messenger
★3.6
Element - Secure Messenger
Element - Secure Messenger
★3.3
Zenzap: Work communication app
Zenzap: Work communication app
★4.4
TeamSpeak 3 - Voice Chat
TeamSpeak 3 - Voice Chat
★3.3
IMBox.me - Work messaging
IMBox.me - Work messaging
★3.2