Silverstripe CMS vs Sulu
A side-by-side comparison of two self-hosted content management systems options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Silverstripe CMS | Sulu |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 81 · Excellent | 84 · Excellent |
| Category | Content Management Systems | Content Management Systems |
| License | BSD-3-Clause | MIT |
| Language | PHP | PHP |
| Setup difficulty | Medium | Hard |
| Min. RAM | 512 MB | 1,024 MB |
| Deployment | docker, bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 724 | ★ 1,350 |
| First released | 2007 | 2015 |
| Replaces | Sitecore, Kentico | Adobe Experience Manager, Sitecore |
What are Silverstripe CMS and Sulu?
Silverstripe CMS
Silverstripe CMS is an open-source PHP content management system with a polished editorial interface and a powerful underlying framework. It is favored by developers building custom, structured websites.
- Clean, intuitive admin UI
- Powerful ORM and framework
- Strong content versioning
- Flexible templating
Sulu
Sulu is an open-source content management system built on the Symfony framework, targeted at mid-size and large business websites. It offers structured content, multi-site management, and a clean admin UI.
- Built on Symfony
- Multi-site and multilingual
- Structured content templates
- Clean admin interface
Silverstripe CMS vs Sulu: key differences
Both projects are written in PHP. Licensing differs — BSD-3-Clause for Silverstripe CMS versus MIT for Sulu. Silverstripe CMS is the lighter option, starting around 512 MB of RAM against 1,024 MB for Sulu. Silverstripe CMS is the more established project (first released 2007), while Sulu arrived in 2015.
Why pick each one
Choose Silverstripe CMS if…
- Great balance of CMS and framework
- Pleasant editor experience
Watch out for
- Smaller ecosystem
- Custom development often required
Choose Sulu if…
- Great for Symfony developers
- Solid for business sites
Watch out for
- Requires Symfony knowledge
- Steeper setup
Frequently asked questions
Is Silverstripe CMS or Sulu better?
Neither is universally better. Sulu has the larger community, while Silverstripe CMS is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Silverstripe CMS and Sulu free and open-source?
Yes. Silverstripe CMS is licensed under BSD-3-Clause and Sulu under MIT. Both can be self-hosted at no software cost.
Can I run Silverstripe CMS and Sulu with Docker?
Silverstripe CMS: yes. Sulu: yes.
Which is lighter on resources, Silverstripe CMS or Sulu?
Silverstripe CMS has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for Sulu. Real-world usage depends on library size, user count, and enabled features.