Umbraco CMS
Umbraco is a free open-source .NET CMS offering a user-friendly backoffice and a flexible architecture for developers.
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Free .NET CMS with a friendly backoffice and powerful extensibility.
Core Features
- ASP.NET Core based, high performance & cross-platform
- Intuitive backoffice with drag-and-drop content editing
- Multi-site, multi-language, multi-tenant support
- Extensive extensibility with packages & custom data types
- Built-in membership, forms, and media management
What It Can't Do
- •Do not run from GitHub source code directly; production requires HTTPS, database, and performance tuning; use Azure or SQL Server compatible DB; initial run requires internet for packages.
Use Cases
- Corporate websites and portals
- Marketing and content-driven sites
- Multi-language international websites
- Internal intranets or knowledge bases
Detailed Introduction
Umbraco is a free, open-source .NET content management system (CMS) used by thousands of websites worldwide. It provides a user-friendly backoffice interface for content editors, with a flexible and extensible architecture for developers. Built on ASP.NET Core, Umbraco offers high performance, security, and scalability. Its community-driven development ensures continuous improvement, and it integrates seamlessly with Microsoft technologies like Azure, SQL Server, and Visual Studio. Whether you're building a simple blog, a corporate website, or a complex multi-site solution, Umbraco empowers you to deliver delightful digital experiences quickly and efficiently.
Troubleshooting & FAQ (1)
TroubleshootingWhy does 'dotnet watch' break with 'RazorSourceGenerator' error when editing cshtml files in Umbraco 17.3.5?
This is a known issue in Umbraco 17.3.5 (tracked in issue #22773). Temporary workaround: add the following to your .csproj file:
<ItemGroup>
<AdditionalFiles Remove="**\\*.cshtml" />
</ItemGroup>This prevents duplicate hint names generated by RazorSourceGenerator. The issue is fixed in Umbraco 17.5 and 18.0+ (upgrade when available).
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Getting Started
Download installer
Click the button above to download the installer for your system
Install the software
Double-click the downloaded installer and follow the prompts
Step 1: Install .NET SDK (8.0+ recommended)
Step 2: Run `dotnet new install Umbraco.Templates`
Step 3: Run `dotnet new umbraco --name MySite`
- Step 1: Install .NET SDK (8.0+ recommended)
- Step 2: Run `dotnet new install Umbraco.Templates`
- Step 3: Run `dotnet new umbraco --name MySite`
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Open Source Transparency
View GitHub SourceUninstall Info
To uninstall: delete the project folder. To remove the template globally: `dotnet new uninstall Umbraco.Templates`. Drop the database manually if needed.
No Extra Dependencies
Ready to use after download. No additional runtime required.
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