Rocket.Chat
Element
Mattermost
Slack
Microsoft Teams
Skype for Business
Why government agencies choose
Rocket.Chat
Digital sovereignty
End-to-end encryption
Limited
180+ advanced role-based permissions
Private network deployment (cloud, on-prem, or air-gapped)
Interoperability - Federation capabilities built on Matrix
Omnichannel citizen engagement (SMS, email, WhatApp, and other)
White labeling
MIT Open Source license (all editions)
Rocket.Chat
Element
Mattermost
Slack
Microsoft Teams
Skype for Business
Why universities choose
Rocket.Chat
Digital sovereignty
End-to-end encryption
Limited
180+ advanced role-based permissions
Deploy on-premise or in a secure cloud
Interoperability - Federation to connect education ecosystems
Omnichannel student-teacher engagement (SMS, email, WhatApp, and other)
White labeling
MIT Open Source license (all editions)
Rocket.Chat
Element
Mattermost
Slack
Microsoft Teams
Skype for Business
Why healthcare organizations choose
Rocket.Chat
Digital sovereignty
End-to-end encryption
Limited
180+ advanced role-based permissions
Deploy on-premise or in a secure cloud
Interoperability - Federation to connect healthcare ecosystems
Omnichannel patient engagement (SMS, email, WhatApp, and other)
White labeling
MIT Open Source license (all editions)
Rocket.Chat
Element
Mattermost
Slack
Microsoft Teams
Skype for Business
Why financial institutions and FinTech companies choose
Rocket.Chat
Digital sovereignty
End-to-end encryption
Limited
180+ advanced role-based permissions
Deploy on-premise or in a secure cloud
Interoperability - Federation capabilities built on Matrix
Omnichannel client engagement (SMS, email, WhatApp, and other)
White labeling
MIT Open Source license (all editions)
Rocket.Chat
Element
Mattermost
Slack
Microsoft Teams
Skype for Business
Why privacy-conscious Tech companies choose
Rocket.Chat
Digital sovereignty
End-to-end encryption
Limited
180+ advanced role-based permissions
Deploy on-premise or in a secure cloud
Interoperability - Federation capabilities built on Matrix
Omnichannel communication (SMS, email, WhatApp, and other)
White labeling
MIT Open Source license (all editions)
link