Isso vs Remark42
A side-by-side comparison of two self-hosted chat & communication options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Isso | Remark42 |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 87 · Excellent | 90 · Excellent |
| Category | Chat & Communication | Chat & Communication |
| License | MIT | MIT |
| Language | Python | Go |
| Setup difficulty | Easy | Easy |
| Min. RAM | 128 MB | 128 MB |
| Deployment | docker, bare-metal, source | docker, binary, source |
| GitHub stars | ★ 5,309 | ★ 5,615 |
| First released | 2012 | 2017 |
| Replaces | Disqus | Disqus |
What are Isso and Remark42?
Isso
Isso is a small, self-hosted commenting server written in Python that serves as a Disqus alternative for blogs. It uses SQLite and embeds a tiny JavaScript widget into pages.
- Tiny embeddable comments widget
- SQLite storage
- Comment editing and moderation
- Markdown support
Remark42
Remark42 is a self-hosted, lightweight commenting platform that embeds into any website without tracking users. It supports social login, moderation, and threaded discussions.
- Embeddable threaded comments
- Multiple OAuth providers
- No user tracking
- Bolt embedded database
Isso vs Remark42: key differences
Isso is written in Python, while Remark42 is built with Go. Isso is the more established project (first released 2012), while Remark42 arrived in 2017.
Why pick each one
Choose Isso if…
- Very lightweight
- Easy to integrate with static sites
Watch out for
- Comments only
- Minimal anti-spam built in
Choose Remark42 if…
- Privacy-respecting
- Simple single-binary deploy
Watch out for
- Comments only
- Limited theming
Frequently asked questions
Is Isso or Remark42 better?
Neither is universally better. Remark42 has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Isso and Remark42 free and open-source?
Yes. Isso is licensed under MIT and Remark42 under MIT. Both can be self-hosted at no software cost.
Can I run Isso and Remark42 with Docker?
Isso: yes. Remark42: yes.