</>Free App Alternatives
Slack icon

Slack

Business communication platform for teams and organizations.

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Screenshots

Slack screenshot 1

Alternatives

Discord icon
Discord
Voice, video and text communication service for communities.
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License model
freemium
Application types
communication
Platforms
WebWindowsMacOSLinuxiOSAndroid
Properties
Gaming-focusedCommunity-orientedLow-latency voice
Features
Voice channelsText channelsScreen sharingBotsServer management
Tags
communicationgamingvoice-chat
Discord screenshot main
Mattermost icon
Mattermost
Open-source, self-hostable online chat service.
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License model
freemiumopen-source
Application types
communication
Platforms
WebWindowsMacOSLinuxiOSAndroid
Properties
Open-sourceSelf-hostableEnterprise-ready
Features
Self-hostedEnd-to-end encryptionUnlimited message historyCustom integrations
Tags
communicationopen-sourceself-hosted
Mattermost screenshot main