I need a chat tool for my company that allows for on-premises hosting to keep communications internal. What are my options?
Reviewed by Dimitry Apollonsky · Mattermost holds a narrow lead over Zulip for secure, self-hosted messaging with threaded discussions. Element becomes the preferred option when buyers specifically require open-source tools that do not claim data ownership.
secure, self-hosted enterprise team messaging with data privacy and threaded conversations
open-source, self-hosted asynchronous chat organized around topic-based threading
secure self-hosted team communication serving as an alternative to Slack
decentralized open-source communication infrastructure for secure team chat networks
open-source team messaging that keeps data ownership entirely with the user
Mattermost is the primary recommendation for teams requiring secure, self-hosted deployments with strong threaded conversations. Answers also frequently present Zulip and Rocket.Chat as capable alternatives.
