Silverstripe CMS vs Umbraco
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 | Umbraco |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 81 · Excellent | 90 · Excellent |
| Category | Content Management Systems | Content Management Systems |
| License | BSD-3-Clause | MIT |
| Language | PHP | C# |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 1,024 MB |
| Deployment | docker, bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 724 | ★ 5,255 |
| First released | 2007 | 2005 |
| Replaces | Sitecore, Kentico | Sitecore, Kentico |
What are Silverstripe CMS and Umbraco?
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
Umbraco
Umbraco is a popular open-source CMS built on ASP.NET Core, known for its flexible content modeling and editor-friendly backoffice. It is widely used for corporate and marketing websites on the Microsoft stack.
- Flexible document types
- Editor-friendly backoffice
- Headless delivery API
- Strong .NET integration
Silverstripe CMS vs Umbraco: key differences
Silverstripe CMS is written in PHP, while Umbraco is built with C#. Licensing differs — BSD-3-Clause for Silverstripe CMS versus MIT for Umbraco. Silverstripe CMS is the lighter option, starting around 512 MB of RAM against 1,024 MB for Umbraco. Umbraco is the more established project (first released 2005), while Silverstripe CMS arrived in 2007. Umbraco has the considerably larger community, at 5,255 GitHub stars versus 724.
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 Umbraco if…
- Great choice on the .NET stack
- Polished editor experience
Watch out for
- Requires Windows or .NET hosting knowledge
- Cloud add-ons are paid
Frequently asked questions
Is Silverstripe CMS or Umbraco better?
Neither is universally better. Umbraco has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Silverstripe CMS and Umbraco free and open-source?
Yes. Silverstripe CMS is licensed under BSD-3-Clause and Umbraco under MIT. Both can be self-hosted at no software cost.
Can I run Silverstripe CMS and Umbraco with Docker?
Silverstripe CMS: yes. Umbraco: yes.
Which is lighter on resources, Silverstripe CMS or Umbraco?
Silverstripe CMS has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for Umbraco. Real-world usage depends on library size, user count, and enabled features.