Continuwuity vs Openfire
A side-by-side comparison of two self-hosted matrix & xmpp options — licensing, setup difficulty, resource needs, and what each one replaces.
Continuwuity
Community-maintained Rust Matrix homeserver
VS
Openfire
Real-time collaboration XMPP server written in Java
| Feature | Continuwuity | Openfire |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Category | Matrix & XMPP | Matrix & XMPP |
| License | Apache-2.0 | Apache-2.0 |
| Language | Rust | Java |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, binary, source | docker, bare-metal, binary |
| GitHub stars | ★ 700 | ★ 3,064 |
| First released | 2024 | 2004 |
| Replaces | Slack, Discord | Slack, Microsoft Teams |
What are Continuwuity and Openfire?
Continuwuity
Continuwuity is a community continuation of the conduwuit Matrix homeserver, written in Rust. It provides an efficient, federated Matrix server with a focus on stability and ongoing maintenance.
- Drop-in conduwuit replacement
- Active community maintenance
- Efficient single binary
- Full Matrix federation
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
Continuwuity vs Openfire: key differences
Continuwuity is written in Rust, while Openfire is built with Java. Continuwuity is the lighter option, starting around 256 MB of RAM against 512 MB for Openfire. Openfire is the more established project (first released 2004), while Continuwuity arrived in 2024. Openfire has the considerably larger community, at 3,064 GitHub stars versus 700.
Why pick each one
Choose Continuwuity if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Written in Rust
- Tiny footprint — runs in 256 MB RAM
Choose Openfire if…
- Easy to administer
- Long track record
Watch out for
- Java memory footprint
- Dated user interface
Frequently asked questions
Is Continuwuity or Openfire better?
Neither is universally better. Openfire has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Continuwuity and Openfire free and open-source?
Yes. Continuwuity is licensed under Apache-2.0 and Openfire under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Continuwuity and Openfire with Docker?
Continuwuity: yes. Openfire: yes.
Which is lighter on resources, Continuwuity or Openfire?
Continuwuity has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Openfire. Real-world usage depends on library size, user count, and enabled features.