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Twist vs Mattermost: catalog facts
Twist	Mattermost
Freemium A free plan is available, with paid plans for teams that need more.	Freemium The desktop client is free and open source. The Mattermost server has a free self-hosted…
Web	Windows, macOS, Linux
Threads keep conversations on topic Inbox collects threads for prioritizing	The server is self-hosted, so message data never leaves your infrastructure Server dropdown lets one client connect to several Mattermost instances
Hosted service only, with no self-hosting Slower paced than real-time chat, which does not suit every team	Needs a Mattermost server, which is real infrastructure to run Electron, so memory use is high for a chat client
Downloadable app, Web application, Hosted service	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

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