What are the key differences between Zulip and Mattermost?

Compare Zulip and Mattermost side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Zulip and Mattermost scored?

Zulip has an AI score of 5.7/10 and Mattermost has an AI score of 8.2/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Zulip vs Mattermost 2026 - Compared

Zulip

Mattermost

WINNER Mattermost

Mattermost edges ahead with a score of 8.2/10 compared to 5.7/10 for Zulip. While both are highly rated in their respect...

Zulip

5.77 Mediocre

Team Collaboration Get Zulip open_in_new

emoji_events WINNER

Mattermost

7.31 Good

Communication Get Mattermost open_in_new

Zulip From $10/user/month Free plan available

payments

Mattermost From $5/user/month for the paid plan Free plan available

psychology AI Verdict

Mattermost edges ahead with a score of 8.2/10 compared to 5.7/10 for Zulip. While both are highly rated in their respective fields, Mattermost demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Mattermost

verified Confidence: Low

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description Overview

Zulip

Zulip is a unique communication platform that combines the real-time nature of chat with the organizational structure of email threads. Every message in Zulip belongs to a topic, which prevents the 'firehose' effect of traditional chat apps. This makes it exceptionally effective for teams that work asynchronously or across different time zones. By forcing users to categorize their messages, Zulip...

Mattermost

Mattermost is an open-source, self-hosted Slack alternative focused on security and data control. It offers similar features to Slack, including channels, direct messaging, and file sharing, but with the added benefit of complete control over your data. This makes it ideal for organizations with strict compliance requirements or concerns about data privacy. Mattermost's self-hosting capabilities a...