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Tigase XMPP Server

Highly scalable XMPP/Jabber messaging server

Matrix & XMPP ★ 359 stars Hard setup AGPL-3.0

Tigase XMPP Server is a Java-based, highly scalable and extensible XMPP server. It is designed for clustering and high availability, supporting millions of concurrent connections.

Official siteSource code

Key features

  • Built for massive scale and clustering
  • Modular plugin architecture
  • Supports many XEP extensions
  • High availability

Pros & cons

Strengths

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in Java

Trade-offs

  • Steep learning curve
  • Heavier resource needs

Is Tigase XMPP Server secure?

OSV.dev has no published security advisories for Tigase XMPP Server's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Tigase XMPP Server replaces

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SelfHostIndex: 78 · good

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