Mumble Web vs Spacebar
A side-by-side comparison of two self-hosted chat & communication options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Mumble Web
Browser-based client for Mumble voice servers
VS
Spacebar
Self-hostable, open-source Discord-compatible chat backend
| Feature | Mumble Web | Spacebar |
|---|---|---|
| Category | Chat & Communication | Chat & Communication |
| License | ISC | AGPL-3.0 |
| Language | JavaScript | TypeScript |
| Setup difficulty | Medium | Hard |
| Min. RAM | 128 MB | 1,024 MB |
| Deployment | docker, bare-metal, source | docker, source |
| GitHub stars | ★ 734 | ★ 2,189 |
| First released | 2017 | 2021 |
| Replaces | Discord, TeamSpeak | Discord |
Why pick each one
Choose Mumble Web if…
- Released under the ISC license
- First-class Docker support for quick deployment
- Written in JavaScript
- Tiny footprint — runs in 128 MB RAM
Choose Spacebar if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Active community (2.2k GitHub stars)
- Written in TypeScript
Frequently asked questions
Is Mumble Web or Spacebar better?
Neither is universally better. Spacebar has the larger community, while Mumble Web is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Mumble Web and Spacebar free and open-source?
Yes. Mumble Web is licensed under ISC and Spacebar under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Mumble Web and Spacebar with Docker?
Mumble Web: yes. Spacebar: yes.