Data as of Sep 19, 2026 · Based on 3,321,301 AI responses across 10,533 prompts · See how Parse measures this
23 of 24 measured questions
Mattermostmattermost.comMattermost is an enterprise-grade, self-hosted collaboration platform that enables real-time chat and workflows across on-premises, private cloud, or air-gapped environments with strong data control and security. It offers mission-critical capabilities such as ChatOps, DevSecOps, incident response, playbooks, and AI-assisted automation, integrated with a wide set of tools. It is trusted by governments, critical infrastructure operators, and large enterprises worldwide, providing high availability and governance for secure collaboration.
The market map · 5 of 58 labelled
Team Collaboration Chat Platforms →65%positive
open-sourceself-hostedsecureopen sourcesecurity-consciousself-hostableslack-likeself-hosting
Strengths
Weaknesses
Slackco-mentionedCompare →
Rocket.Chatco-mentionedCompare →
Zulipleads on low-distraction team messaging and collaborationCompare →
Elementco-mentionedCompare →
Microsoft Teamsco-mentionedCompare →Excerpts where Mattermost appeared in the AI's answer
Mattermost is the top choice for general business and developer teams migrating from Slack
Mattermost is best for DevOps, engineering, and enterprise teams needing a direct, high-security alternative to Slack.
Excerpts where Mattermost appeared in the AI's answer
Mattermost — Best for a Slack-like experience with robust enterprise security.
Mattermost — The closest open-source alternative to Slack and Microsoft Teams
Excerpts where Mattermost appeared in the AI's answer
Mattermost: An open-source, highly secure, and self-hostable chat platform featuring clean channel threading for engineering or privacy-focused teams.
Mattermost - Core approach: An open-source, highly customizable platform with explicit focus on persistent, high-context threaded messaging
Excerpts where Mattermost appeared in the AI's answer
Mattermost — Best for control/privacy. It offers a Slack-like experience with self-hosting options
Mattermost is an open-source, highly customizable alternative that lets you dial in notifications and structure channels strictly
Excerpts where Mattermost appeared in the AI's answer
Mattermost — worth considering if self-hosting and keeping control of your organization's data are important.
Mattermost : Tailored for engineering and security-conscious enterprises
Excerpts where Mattermost appeared in the AI's answer
Mattermost / Rocket.Chat (combined with Pexip/Jitsi) : For enterprises requiring self-hosted or air-gapped infrastructure, open-source chat and collaboration platforms like Mattermost and Rocket.Chat can integrate with secure video layers like Pexip.
