Download PostSharp

The same downloads work with all licenses. No key required for the free PostSharp Essentials and 45-day trial.

NuGet [Packages]

To get started with PostSharp, install the right NuGet package
and start coding.

PM> Install-Package

.NET Framework, .NET Core, .NET 5, Xamarin and Blazor are fully tested and supported. Other .NET Standard platforms at your own risk.
Requirements >    Release notes >

No key required for Essentials and trial.

PostSharp Tools for Visual Studio

Install tooling for an optimal coding and debugging experience:

  • Enhanced debugging: step over aspect, clean call stack.
  • Enhanced Intellisense: see which aspects are present in your code.
  • Code actions: get started easily.

No key required for Essentials and trial.

Get started

1. Download

Add the NuGet packages to your project.

Optionally, install PostSharp Tools for Visual Studio.

2. Choose free or pro

The first time you start PostSharp, you will get the following options:

  1. Start with the free PostSharp Essentials
  2. Start with free trial of PostSharp Ultimate
  3. Enter a commercial license key

3. Get started

When you're all set, you can start adding aspects to your application. Click here to get started.

In addition

Get a free license

If you are a freelancer, MVP, blogger, author, student or teacher you can apply for PostSharp Ultimate Free License.


Previous versions

All versions dating back from 2009 are still available for download.