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Slack vs Cisco Jabber: catalog facts
Slack	Cisco Jabber
Freemium Free plan available, with paid plans for more features.	Free The client is a free download from Cisco.
Windows, macOS, Linux, Android, iOS, Web	Windows, macOS, Android, iOS
Channels keep team conversations organized Large range of app integrations	Available on desktop and mobile Separate VDI edition for virtual desktops
Closed source hosted service Many features and AI tools sit behind paid plans	Mainly useful inside organizations that run Cisco services Official page gives little detail about features
Downloadable app, Web application, Hosted service	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.