Continuwuity vs MongooseIM
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
MongooseIM
Scalable, robust XMPP messaging platform
| Feature | Continuwuity | MongooseIM |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Category | Matrix & XMPP | Matrix & XMPP |
| License | Apache-2.0 | GPL-2.0 |
| Language | Rust | Erlang |
| Setup difficulty | Medium | Hard |
| Min. RAM | 256 MB | 1,024 MB |
| Deployment | docker, binary, source | docker, bare-metal, source |
| GitHub stars | ★ 700 | ★ 1,760 |
| First released | 2024 | 2012 |
| Replaces | Slack, Discord | Slack, WhatsApp |
What are Continuwuity and MongooseIM?
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
MongooseIM
MongooseIM is an enterprise-grade XMPP server written in Erlang, designed for high scalability and reliability. It supports clustering, REST APIs, and modern messaging extensions.
- Built for massive scale
- Clustering and high availability
- GraphQL and REST admin APIs
- Modern XEP support
Continuwuity vs MongooseIM: key differences
Continuwuity is written in Rust, while MongooseIM is built with Erlang. Licensing differs — Apache-2.0 for Continuwuity versus GPL-2.0 for MongooseIM. Continuwuity is the lighter option, starting around 256 MB of RAM against 1,024 MB for MongooseIM. MongooseIM is the more established project (first released 2012), while Continuwuity arrived in 2024. MongooseIM has the considerably larger community, at 1,760 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 MongooseIM if…
- Released under the GPL-2.0 license
- First-class Docker support for quick deployment
- Active community (1.8k GitHub stars)
- Written in Erlang
Watch out for
- Complex deployment
- Requires Erlang knowledge to extend
Frequently asked questions
Is Continuwuity or MongooseIM better?
Neither is universally better. MongooseIM has the larger community, while Continuwuity is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Continuwuity and MongooseIM free and open-source?
Yes. Continuwuity is licensed under Apache-2.0 and MongooseIM under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Continuwuity and MongooseIM with Docker?
Continuwuity: yes. MongooseIM: yes.
Which is lighter on resources, Continuwuity or MongooseIM?
Continuwuity has the smaller minimum footprint at 256 MB of RAM, compared to about 1,024 MB for MongooseIM. Real-world usage depends on library size, user count, and enabled features.