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Catel is an application development platform with the focus on MVVM (WPF, UWP, Xamarin.Android, Xamarin.iOS and Xamarin.Forms). The goal of Catel is to provide a complete set of modular functionality for Line of Business applications written in any .NET technology, from client to server.

Catel distinguishes itself by unique features to aid in the development of MVVM applications and server-side application development. Since Catel focuses on Line of Business applications, it provides professional support and excellent documentation which ensures a safe bet by professional companies and developers.

Besides the core of Catel, lots of extensions are available so developers can pick whatever they need for their applications to be built. Among these extensions are support for Dynamic Objects, Entity Framework, Fluent Validation, Memento patterns and Prism.

Endless possibilities

Lots of core features such as logging, argument checks, service locators, message mediators, weak event listeners and much more. It’s the toolbelt for every serious .NET developer.

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Built for the enterprise

Unlike many other projects, Catel is built for the enterprise and is very professional. It is being used by many enterprises as the core technology for all .NET based applications.

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Beautiful design

Components are easily replacable and can be customized to the needs of every project. This open design keeps the absolute power to the end-developer and provides unlimited flexibility.

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Latest news


Released Catel 5.12.0

We are happy to announce that we have released Catel 5.12.0. As always, we recommend to update your apps and... Read More →

Documentation, documentation, documentation!

As with any open source framework, documentation unfortunately comes last (or doesn’t come at all)… Catel has a record of... Read More →

What our users are saying

Our application is build on top of Catel, which has proved to be a winning recipe for a stable, modern and rapid .NET development environment.

We have never regretted to choose Catel as application framework.

Helmut Janisch, Facos Limited
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