Compare software

Slack vs Synology Chat: catalog facts
Slack	Synology Chat
Freemium Free plan available, with paid plans for more features.	Free License-free, but it requires a Synology NAS to host the server.
Windows, macOS, Linux, Android, iOS, Web	Windows, macOS, Linux, Android, iOS, Web, Self-hosted
Channels keep team conversations organized Large range of app integrations	Messages stay on your own NAS Optional end-to-end encryption for conversations or channels
Closed source hosted service Many features and AI tools sit behind paid plans	Only runs on Synology NAS hardware Closed source
Downloadable app, Web application, Hosted service	Downloadable app, Web application, Self-hosted
Closed source	Closed source
License not stated	License not stated
Account needed	Account 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.