Slack is a collaboration hub that connects your team with the apps, services, and resources they need to get work done.
Starting from $6.67 per user per month
Best Zulip Alternatives ranked by AI · updated May 2025
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Zulip is a powerful open-source team chat software with threaded conversations to help teams collaborate more effectively.
Price: Free for open-source and non-profit organizations, paid plans starting at $3 per user per month
🎯 zulip.com
Top 6 Zulip alternatives
Microsoft Teams is a collaboration platform that allows for chat, meetings, file sharing, and integrations with other Microsoft products.
Starting from $5 per user per month
Discord is a popular communication platform that offers text, voice, and video chat for gamers and communities.
Free with optional paid plans
Mattermost is an open-source, self-hosted Slack alternative. It provides team collaboration and messaging tools for modern enterprises.
Free for the basic version, paid plans for enterprise features
Flock is a collaboration and communication tool with messaging, file sharing, video conferencing, and productivity features.
Starting at $4.50 per user per month
Rocket.Chat is an open-source team communication platform that offers real-time chat, video conferencing, file sharing, and more.
Free, with paid plans available for additional features and support
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