Element Web vs MongooseIM
A side-by-side comparison of two self-hosted matrix & xmpp options — licensing, setup difficulty, resource needs, and what each one replaces.
Element Web
Glossy Matrix client for the web and desktop
VS
MongooseIM
Scalable, robust XMPP messaging platform
| Feature | Element Web | MongooseIM |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 94 · Excellent | 85 · Excellent |
| Category | Matrix & XMPP | Matrix & XMPP |
| License | AGPL-3.0 | GPL-2.0 |
| Language | TypeScript | Erlang |
| Setup difficulty | Easy | Hard |
| Min. RAM | 128 MB | 1,024 MB |
| Deployment | docker, bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 13,502 | ★ 1,760 |
| First released | 2016 | 2012 |
| Replaces | Slack, Discord, Microsoft Teams | Slack, WhatsApp |
What are Element Web and MongooseIM?
Element Web
Element Web is the flagship Matrix client, providing a polished interface for chat, voice, and video over the Matrix protocol. It can be self-hosted alongside a homeserver for a fully owned communication stack.
- Full-featured Matrix client
- End-to-end encryption
- Voice and video calls
- Customizable branding
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
Element Web vs MongooseIM: key differences
Element Web is written in TypeScript, while MongooseIM is built with Erlang. Licensing differs — AGPL-3.0 for Element Web versus GPL-2.0 for MongooseIM. Element Web is the lighter option, starting around 128 MB of RAM against 1,024 MB for MongooseIM. MongooseIM is the more established project (first released 2012), while Element Web arrived in 2016. Element Web has the considerably larger community, at 13,502 GitHub stars versus 1,760.
Why pick each one
Choose Element Web if…
- Most mature Matrix client
- Active development
Watch out for
- Heavier than minimal clients
- Best paired with own homeserver
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 Element Web or MongooseIM better?
Element Web is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider MongooseIM if its specific feature set fits your needs better.
Are Element Web and MongooseIM free and open-source?
Yes. Element Web is licensed under AGPL-3.0 and MongooseIM under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Element Web and MongooseIM with Docker?
Element Web: yes. MongooseIM: yes.
Which is lighter on resources, Element Web or MongooseIM?
Element Web has the smaller minimum footprint at 128 MB of RAM, compared to about 1,024 MB for MongooseIM. Real-world usage depends on library size, user count, and enabled features.