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Key facts
| Verified detail | Open-source CMS built on .NET |
|---|---|
| Best suited to | Editorial sites and structured publishing. |
| Before you commit | Before choosing: who handles hosting, security updates and backups? |
| Pricing & plans | Free license; hosting billed separately Official website ↗ |
| Source | umbraco.com ↗ |
A closer look
Oct 21, 2026
Watch it in action
Getting Started with Umbraco · Umbraco Learning Base
Pricing & plans
Free license; hosting billed separately
Software license only; hosting and operations cost extra.
Pricing & plans ↗Usage by country
| Country | Live websites |
|---|---|
| 🇺🇸 United States | 942 |
| 🇬🇧 United Kingdom | 733 |
| 🇦🇺 Australia | 433 |
| 🇩🇰 Denmark | 328 |
| 🇳🇱 Netherlands | 266 |
| 🇮🇹 Italy | 184 |
| 🇧🇪 Belgium | 166 |
| 🇵🇱 Poland | 153 |
| 🇬🇷 Greece | 124 |
| 🇸🇪 Sweden | 111 |
Live websites detected by BuiltWith. Leading countries; partial coverage. · Source ↗
Company
| Company name | Umbraco |
|---|---|
| Country | Denmark |
| Founders | Niels Hartvig |
Timeline 6
- Launch↗
Umbraco released Umbraco 2.0 as open source, allowing the community to inspect, modify and redistribute the software.
- Crisis↗
Umbraco abandoned version 5 after its architectural rewrite, redirecting development toward the established version 4 codebase.
- Launch↗
Umbraco publicly launched Umbraco as a Service / Umbraco Cloud.
- Product update↗
Umbraco 9 adopted .NET Core, changing runtime and extension compatibility requirements.
- Acquisition↗
Monterro acquired a majority stake in Umbraco.
- Product update↗
Umbraco 14 rebuilt the backoffice with a new extension model and management API, requiring existing packages to adapt.
Before you commit
Before choosing: who handles hosting, security updates and backups?
Your practical checklist
