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The Best Open-Source Alternatives to Groove

Are you looking for a free or self-hosted alternative to Groove? In 2026, avoiding expensive proprietary software subscriptions is easier than ever. The open-source community has built excellent privacy-friendly tools within the Customer Support ecosystem. Currently, there are 6 active replacements available, with Rocket.Chat being one of the most prominent selections.

Quick Comparison: Groove vs. Open Source

Full comparison: Groove vs. Rocket.Chat →
CriteriaGrooveOSS Replacements
Pricing modelPaid / Monthly Fees100% Free / Self-Hosted
Data ControlThird-party ServersFull Ownership & Privacy
CustomizabilityRestricted by VendorUnlimited (Modify Codebase)

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Rocket.Chat

šŸ“ˆ Trending⭐ 10k+ Stars
NOASSERTION

Rocket.Chat is a highly customizable, secure, and open-source communication platform that replaces traditional messaging apps like Groove, empowering organizations to maintain control over their data while promoting collaboration and productivity. With its robust feature set and flexible architecture, Rocket.Chat offers a scalable, private, and feature-rich alternative for businesses seeking a reliable messaging solution.

⭐ 45,886 Stars
šŸ“ 13,756 Forks
ā— 0 Open Issues
šŸ·ļø NOASSERTION

Mattermost

šŸ“ˆ Trending⭐ 10k+ Stars
NOASSERTION

Mattermost is a self-hosted, open-source, and highly customizable communication platform allowing seamless team collaboration through messaging, file sharing, and integrations with various third-party tools, providing an excellent alternative to proprietary solutions like Groove for those seeking increased control and data privacy. With Mattermost, users can create a private, scalable, and secure messaging environment that puts their data in their hands.

⭐ 38,612 Stars
šŸ“ 8,865 Forks
ā— 0 Open Issues
šŸ·ļø NOASSERTION

Zulip

šŸ“ˆ Trending⭐ 10k+ Stars
Apache-2.0

Zulip is an open-source group chat platform that combines the benefits of live chat, threaded conversations, and a flexible, extensible architecture, providing a robust and customizable communication solution for teams and communities. As a privacy-friendly alternative to Groove, Zulip lets users focus on collaboration without sacrificing control over their data, fostering secure and private online discussions.

⭐ 25,588 Stars
šŸ“ 10,014 Forks
ā— 0 Open Issues
šŸ·ļø Apache-2.0

Matrix

šŸ“ˆ Trending⭐ 10k+ Stars
Apache-2.0

Matrix is an open-source, decentralized communication platform that enables secure, private communication and collaboration for individuals and teams, providing an excellent alternative to traditional, centralized chat solutions like Groove. With its modular design and extensive range of integrations, Matrix offers unparalleled flexibility and control over user data, making it an attractive choice for those seeking a more secure and private communication experience.

⭐ 12,105 Stars
šŸ“ 2,116 Forks
ā— 0 Open Issues
šŸ·ļø Apache-2.0

"Let's Chat is a highly customizable, self-hosted chat application that prioritizes user privacy and data security, offering an excellent alternative to proprietary solutions like Groove for those seeking a more transparent online communication experience. With its flexible design and robust feature set, this open-source platform enables users to maintain control over their online interactions without compromising on functionality."

⭐ 9,803 Stars
šŸ“ 1,562 Forks
ā— 0 Open Issues
šŸ·ļø MIT
Apache-2.0

Matterbridge is an open-source bridge that securely connects various chat platforms, including Discord, Slack, and Telegram, allowing seamless cross-platform communication without compromising user data or privacy. As a Groove alternative, Matterbridge offers a community-driven, zero-profit solution that prioritizes user control and data protection in modern messaging.

⭐ 7,538 Stars
šŸ“ 725 Forks
ā— 0 Open Issues
šŸ·ļø Apache-2.0

Frequently Asked Questions

What is the best open source alternative to Groove?

Based on GitHub community data (including star count and fork activity), Rocket.Chat stands out as one of the most reliable open-source replacements for Groove today.

Why should I use an open-source replacement instead of Groove?

Switching to an open-source solution ensures complete data sovereignty, protects your software environment from sudden vendor price hikes, and gives you full transparent control over your tech-stack metadata.