Gajim vs Openfire
A side-by-side comparison of two self-hosted matrix & xmpp options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Gajim | Openfire |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Category | Matrix & XMPP | Matrix & XMPP |
| License | GPL-3.0 | Apache-2.0 |
| Language | Python | Java |
| Setup difficulty | Easy | Medium |
| Min. RAM | 128 MB | 512 MB |
| Deployment | binary, source | docker, bare-metal, binary |
| GitHub stars | ★ 600 | ★ 3,064 |
| First released | 2005 | 2004 |
| Replaces | Skype, Slack | Slack, Microsoft Teams |
What are Gajim and Openfire?
Gajim
Gajim is a cross-platform XMPP instant messaging client written in Python with a GTK interface. It supports OMEMO encryption, group chats, file transfer, and an extensive plugin system.
- OMEMO encryption
- Plugin system
- Group chat support
- Cross-platform
Openfire
Openfire is a mature, cross-platform real-time collaboration server that uses the XMPP protocol. It offers a clean web administration console and an extensive plugin ecosystem for chat, presence, and group communication.
- Web-based admin console
- Rich plugin ecosystem
- LDAP and Active Directory integration
- Group chat and presence
Gajim vs Openfire: key differences
Gajim is written in Python, while Openfire is built with Java. Licensing differs — GPL-3.0 for Gajim versus Apache-2.0 for Openfire. Gajim is the lighter option, starting around 128 MB of RAM against 512 MB for Openfire. Openfire has the considerably larger community, at 3,064 GitHub stars versus 600. Openfire lists first-class Docker deployment; Gajim does not.
Why pick each one
Choose Gajim if…
- Released under the GPL-3.0 license
- Easy to set up — beginner-friendly
- Written in Python
- Tiny footprint — runs in 128 MB RAM
Choose Openfire if…
- Easy to administer
- Long track record
Watch out for
- Java memory footprint
- Dated user interface
Frequently asked questions
Is Gajim or Openfire better?
Neither is universally better. Openfire has the larger community, while Gajim is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Gajim and Openfire free and open-source?
Yes. Gajim is licensed under GPL-3.0 and Openfire under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Gajim and Openfire with Docker?
Gajim: check the project docs for container support. Openfire: yes.
Which is lighter on resources, Gajim or Openfire?
Gajim has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for Openfire. Real-world usage depends on library size, user count, and enabled features.