Cactus Comments vs webmention.io
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Cactus Comments
Federated commenting system built on Matrix
VS
webmention.io
Hosted endpoint for receiving Webmentions
| Feature | Cactus Comments | webmention.io |
|---|---|---|
| Category | Chat & Communication | Social Networks |
| License | MIT | MIT |
| Language | Elixir | Ruby |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 256 MB |
| Deployment | docker, source | source |
| GitHub stars | ★ 200 | ★ 866 |
| First released | 2020 | 2014 |
| Replaces | Disqus | Disqus |
Why pick each one
Choose Cactus Comments if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Written in Elixir
- Tiny footprint — runs in 256 MB RAM
Choose webmention.io if…
- Released under the MIT license
- Written in Ruby
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is Cactus Comments or webmention.io better?
Neither is universally better. webmention.io has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Cactus Comments and webmention.io free and open-source?
Yes. Cactus Comments is licensed under MIT and webmention.io under MIT. Both can be self-hosted at no software cost.
Can I run Cactus Comments and webmention.io with Docker?
Cactus Comments: yes. webmention.io: check the project docs for container support.