Spectrum vs Talkyard
A side-by-side comparison of two self-hosted forums & community options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Spectrum | Talkyard |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 15 · At risk | 80 · Excellent |
| Status | Archived | Actively maintained |
| Category | Forums & Community | Forums & Community |
| License | BSD-3-Clause | AGPL-3.0 |
| Language | JavaScript | TypeScript |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 2,048 MB |
| Deployment | docker, bare-metal | docker, source |
| GitHub stars | ★ 10,826 | ★ 1,812 |
| First released | 2017 | 2016 |
| Replaces | Discord, Discourse | Discourse, Disqus |
What are Spectrum and Talkyard?
Spectrum
Spectrum is an open-source platform for creating powerful online communities with threaded conversations and channels. It blends the immediacy of chat with the durability of forum-style threads.
- Threaded conversations
- Community channels
- Real-time updates
- Public and private spaces
Talkyard
Talkyard is an open-source community platform that blends forum discussions, chat, Q&A, and embedded blog comments. It is inspired by Discourse, StackOverflow, and Slack.
- Forum, chat and Q&A in one
- Embeddable blog comments
- Question and answer voting
- Single sign-on support
Spectrum vs Talkyard: key differences
The biggest difference is maintenance: Spectrum's repository is archived and no longer developed, while Talkyard is actively maintained. Spectrum is written in JavaScript, while Talkyard is built with TypeScript. Licensing differs — BSD-3-Clause for Spectrum versus AGPL-3.0 for Talkyard. Spectrum has the considerably larger community, at 10,826 GitHub stars versus 1,812.
Why pick each one
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
Choose Talkyard if…
- Flexible discussion formats
- Can replace Disqus
Watch out for
- Higher resource needs
- Smaller community
Frequently asked questions
Is Spectrum or Talkyard better?
Neither is universally better. Spectrum has the larger community, while Talkyard is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Spectrum and Talkyard free and open-source?
Yes. Spectrum is licensed under BSD-3-Clause and Talkyard under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Spectrum and Talkyard with Docker?
Spectrum: yes. Talkyard: yes.