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644 Stars 119 Forks MIT License 819 Commits 17 Opened issues


A very lightweight but powerful ViewModel-First MVVM framework for WPF for .NET Framework and .NET Core, inspired by Caliburn.Micro.

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Project Icon Stylet

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Stylet is a small but powerful ViewModel-first MVVM framework for WPF (.NET 4.5+ and .NET Core 3.0+), which allows you to write maintainable and extensible code in a way which is easy to test. Stylet's aims are to:

  • Solve the blockers, niggles, and annoyances which hamper MVVM development without a framework, using simple but powerful concepts.
  • Be obvious to people picking up your project for the first time: there's very little magic
  • Be easy to verify/validate. The LOC count is low, and it comes with a very comprehensive test suite. The code is well-written and well-documented.
  • Be flexible while providing sensible defaults. Almost any part of the framework can be overridden if you wish, but you probably won't want to.

It is inspired by Caliburn.Micro, and shares many of its concepts, but removes most of the magic (replacing it with more powerful alternatives), and simplifies parts considerably by targeting only MVVM, WPF and .NET 4.5.

Getting Started

.NET 5.0+ / .NET Core

For .NET Core and .NET 5.0+ projects, the quickest way to get started is by using

dotnet new
with Stylet's template.

Open a command window where you want to create your new project, and install the Stylet templates using:

dotnet new -i Stylet.Templates

Then create a new .NET 5.0 project with:

dotnet new stylet -n MyStyletProject


as appropriate).

If you want to create a .NET Core 3.1 project, then:

dotnet new stylet -F netcoreapp3.1 -n MyStyletProject

If you want to set up your project manually, install the Stylet package, then follow the instructions in the Quick Start.

Stylet requires .NET 5.0+ or .NET Core 3.0+.

.NET Framework (<= .NET 4)

For .NET Framework projects, the quickest way to get started is to create a new "WPF Application" project, then install the NuGet package Stylet.Start. This will install Stylet, and set up a simple skeleton project.

See Quick Start for more details.

If you want to set up your project manually, install the Stylet package, then follow the instructions in the Quick Start.

Stylet requires .NET 4.5 (Visual Studio 2012 or higher).


The Wiki is the documentation source. There's loads of information there - go and have a look, or start with the Quick Start.


Contributions are always welcome. If you've got a problem or a question, raise an issue. If you've got code you want to contribute, please read the Contributing guidelines first of all. Create a feature branch off the

branch, add your changes there, and submit it as a pull request.

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