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
Best TeamSpeak Alternatives ranked by AI · updated May 2025
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TeamSpeak is a popular VoIP software that offers high-quality voice communication and customization options.
Price: Free for non-commercial use, paid plans for servers
Top 6 TeamSpeak alternatives
Discord is a popular communication platform that offers text, voice, and video chat for gamers and communities.
Free with optional paid plans
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
Mumble is a free, open-source, low-latency voice chat application with configurable push-to-talk and self-hosted servers. It is aimed at technically minded groups...
Pros
- Free and open source
- Very low latency for push-to-talk conversations
- Self-hosting provides strong control over data and access
Cons
- Less convenient for casual users than Talk Now!
- Server setup and maintenance require technical knowledge
- Mobile experience is less polished than leading commercial apps
Free and open source; hosting costs vary
Ventrilo is a VoIP software application that allows users to communicate with each other through voice.
Free for up to 8 users, pricing plans for more users
Razer Comms was a communication tool aimed at gamers to provide voice chat, messaging, and group chat features. It was discontinued in...
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