Cusdis vs Isso
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?
Cusdis
Lightweight, privacy-friendly embeddable comment system
VS
Isso
Lightweight self-hosted commenting server
| Feature | Cusdis | Isso |
|---|---|---|
| Category | Chat & Communication | Chat & Communication |
| License | GPL-3.0 | MIT |
| Language | TypeScript | Python |
| Setup difficulty | Easy | Easy |
| Min. RAM | 256 MB | 128 MB |
| Deployment | docker, source | docker, bare-metal, source |
| GitHub stars | ★ 2,785 | ★ 5,296 |
| First released | 2021 | 2012 |
| Replaces | Disqus | Disqus |
Why pick each one
Choose Cusdis if…
- Released under the GPL-3.0 license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Active community (2.8k GitHub stars)
Frequently asked questions
Is Cusdis or Isso better?
Neither is universally better. Isso has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Cusdis and Isso free and open-source?
Yes. Cusdis is licensed under GPL-3.0 and Isso under MIT. Both can be self-hosted at no software cost.
Can I run Cusdis and Isso with Docker?
Cusdis: yes. Isso: yes.