Mattermost vs Zulip: What are the differences?
Developers describe Mattermost as "Open-source, self-hosted, Slack alternative". Mattermost is modern communication from behind your firewall. On the other hand, Zulip is detailed as "Powerful open source team chat". Zulip is powerful, open source team chat that combines the immediacy of real-time chat with the productivity benefits of threaded conversations Zulip allows busy managers and others in meetings all day to participate in their teams chats..
Mattermost and Zulip can be categorized as "Group Chat & Notifications" tools.
"Open source" is the top reason why over 54 developers like Mattermost, while over 57 developers mention "Open source" as the leading cause for choosing Zulip.
Mattermost and Zulip are both open source tools. It seems that Mattermost with 15.4K GitHub stars and 3.14K forks on GitHub has more adoption than Zulip with 10.1K GitHub stars and 3.11K GitHub forks.
According to the StackShare community, Mattermost has a broader approval, being mentioned in 38 company stacks & 24 developers stacks; compared to Zulip, which is listed in 7 company stacks and 9 developer stacks.