Coral vs Spectrum
A side-by-side comparison of two self-hosted forums & community options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Coral
Open-source commenting platform for newsrooms
VS
Spectrum
Open-source platform for building online communities
| Feature | Coral | Spectrum |
|---|---|---|
| Category | Forums & Community | Forums & Community |
| License | Apache-2.0 | BSD-3-Clause |
| Language | TypeScript | JavaScript |
| Setup difficulty | Medium | Hard |
| Min. RAM | 1,024 MB | 2,048 MB |
| Deployment | docker, bare-metal | docker, bare-metal |
| GitHub stars | ★ 1,996 | ★ 10,837 |
| First released | 2016 | 2017 |
| Replaces | Disqus, Facebook Comments | Discord, Discourse |
Why pick each one
Choose Coral if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Active community (2k GitHub stars)
- Written in TypeScript
Choose Spectrum if…
- Released under the BSD-3-Clause license
- First-class Docker support for quick deployment
- Mature project with 10.8k GitHub stars
- Written in JavaScript
Frequently asked questions
Is Coral or Spectrum better?
Neither is universally better. Spectrum has the larger community, while Coral is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Coral and Spectrum free and open-source?
Yes. Coral is licensed under Apache-2.0 and Spectrum under BSD-3-Clause. Both can be self-hosted at no software cost.
Can I run Coral and Spectrum with Docker?
Coral: yes. Spectrum: yes.