Forem vs giscus
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?
Forem
Open source community platform behind DEV
VS
giscus
Commenting system powered by GitHub Discussions
| Feature | Forem | giscus |
|---|---|---|
| Category | Forums & Community | Forums & Community |
| License | AGPL-3.0 | MIT |
| Language | Ruby | TypeScript |
| Setup difficulty | Hard | Easy |
| Min. RAM | 2,048 MB | 64 MB |
| Deployment | docker, source | bare-metal, source |
| GitHub stars | ★ 22,760 | ★ 12,002 |
| First released | 2019 | 2021 |
| Replaces | Discourse, Reddit | Disqus |
Why pick each one
Choose Forem if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Mature project with 22.8k GitHub stars
- Written in Ruby
Choose giscus if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- Mature project with 12k GitHub stars
- Written in TypeScript
Frequently asked questions
Is Forem or giscus better?
Neither is universally better. Forem has the larger community, while giscus is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Forem and giscus free and open-source?
Yes. Forem is licensed under AGPL-3.0 and giscus under MIT. Both can be self-hosted at no software cost.
Can I run Forem and giscus with Docker?
Forem: yes. giscus: check the project docs for container support.