Codidact 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?
Codidact
Community-driven Q&A knowledge-sharing platform
VS
Spectrum
Open-source platform for building online communities
| Feature | Codidact | Spectrum |
|---|---|---|
| Category | Forums & Community | Forums & Community |
| License | AGPL-3.0 | BSD-3-Clause |
| Language | Ruby | JavaScript |
| Setup difficulty | Medium | Hard |
| Min. RAM | 1,024 MB | 2,048 MB |
| Deployment | docker, bare-metal, source | docker, bare-metal |
| GitHub stars | ★ 439 | ★ 10,837 |
| First released | 2020 | 2017 |
| Replaces | Stack Overflow, Stack Exchange | Discord, Discourse |
Why pick each one
Choose Codidact if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Written in Ruby
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 Codidact or Spectrum better?
Neither is universally better. Spectrum has the larger community, while Codidact is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Codidact and Spectrum free and open-source?
Yes. Codidact is licensed under AGPL-3.0 and Spectrum under BSD-3-Clause. Both can be self-hosted at no software cost.
Can I run Codidact and Spectrum with Docker?
Codidact: yes. Spectrum: yes.