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open source alternatives
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alternatives to Slack
4 open-source alternatives to Slack
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Element
Enterprise communication platform
Messaging
|
alternative to:
Slack
Mattermost
Enterprise communication platform for developers
Messaging
|
alternative to:
Slack
Rocket.chat
Enterprise communication platform
Messaging
|
alternative to:
Slack
Zulip
Team chat
Messaging
|
alternative to:
Slack