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
Best AtomJump.com Alternatives ranked by AI · updated May 2025
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AtomJump is a self-hosted messaging platform that allows users to create their own chat service with features like chatrooms, file sharing, and notifications.
Price: Free
🎯 staging.atomjump.com/wp
Top 6 AtomJump.com alternatives
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
Zulip is a powerful open-source team chat software with threaded conversations to help teams collaborate more effectively.
Free for open-source and non-profit organizations, paid plans starting at $3 per user per month
IRCCloud is a modern IRC client that keeps you connected with your team, wherever you are.
Free with premium plans available
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
Discord is a popular communication platform that offers text, voice, and video chat for gamers and communities.
Free with optional paid plans
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