Umbraco is a free, open source .NET content management system for building websites and digital experiences.
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What is it?
Orchard Core is a modular, multi-tenant application framework for ASP.NET Core, and a web content management system built on top of that framework. The two parts are distributed as separate projects: the framework for building custom multi-tenant applications, and the CMS as a ready-to-use product.
The framework is organized around modules, so features such as content types, media, users, and workflows can be enabled or composed per application. Multi-tenancy lets a single installation host several isolated sites, each with its own configuration and data.
The project provides a reference of built-in modules and getting-started guides on its documentation site. It is licensed under BSD-3-Clause and is developed on the .NET platform, with a stable release line and a nightly preview feed on NuGet.
Key features
- 01Modular architecture where features are added as independent modules.
- 02Multi-tenancy, allowing multiple isolated sites to run on one installation.
- 03Built on ASP.NET Core and the .NET platform.
- 04Includes a web content management system ready to use out of the box.
- 05Provides a reference of built-in modules and documentation on orchardcore.net.
Use cases
- Building a content-driven website or blog on .NET.
- Hosting multiple isolated sites or client portals from a single installation.
- Developing a custom multi-tenant SaaS application with a modular structure.
Quick start
- 1
Follow the getting started docs at docs.orchardcore.net to install and run Orchard Core
Topics
FAQ
- What is OrchardCore?
- An open-source, modular, multi-tenant application framework and CMS built on ASP.NET Core. Orchard Core is a modular, multi-tenant application framework for ASP.NET Core, and a web content management system built on top of that framework. The two parts are distributed as separate projects: the framework for building custom multi-tenant applications, and the CMS as a ready-to-use product.
- Is OrchardCore free to use? What license does it have?
- OrchardCore is open source under the BSD-3-Clause license. Check the license terms before using it in commercial products.
- Is OrchardCore still maintained?
- Actively maintained. The last commit to OrchardCore was on Nov 6, 2026.
- What can I use OrchardCore for?
- Building a content-driven website or blog on .NET. Hosting multiple isolated sites or client portals from a single installation. Developing a custom multi-tenant SaaS application with a modular structure.
- How do I install OrchardCore?
- Follow the getting started docs at docs.orchardcore.net to install and run Orchard Core
- Where can I get OrchardCore?
- The source code and installation instructions are on GitHub: https://github.com/OrchardCMS/OrchardCore
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