NUnit features a fluent assert syntax, parameterized, generic and theory tests and is user-extensible. This package includes the NUnit 3 framework assembly, which is referenced by your tests. You will need to install version 3 of the nunit3-console program or a third-party runner that supports NUnit 3 in order to execute tests. Runners intended for use with NUnit 2.x will not run NUnit 3 tests correctly. Supported platforms: - .NET 2.0+ - .NET Standard 1.3 and 1.6 - .NET Core

tdd, nunit, test, testing, framework, assert, fluent, theory, plugin, addin, c-sharp, dotnet, nunit-framework, test-driven-development, test-framework
Install-Package NUnit -Version 3.7.1


CharliePoole Rob Prouse Neil Colvin Simone Busoli Chris Maddock Joel Dickson Joseph Musser Justin Chou michaelhofer-slg Chris Smith Igor Ziselman Michal Franc Andreas Schlapsi Nikolay Pianikov GCichosz Asbjørn Ulsberg Wojtek Vladimir Kloz Cédric L. Charlier Poimen mjedrzejek vignesh saidout Cameron Taggart

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NUnit 3 Framework

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NUnit is a unit-testing framework for all .NET languages. Initially ported from JUnit, the current production release, version 3, has been completely rewritten with many new features and support for a wide range of .NET platforms.

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The latest release of the NUnit Framework is available on NuGet or can be downloaded from GitHub.


Documentation for all NUnit projects are hosted on GitHub at


For more information on contributing to the NUnit project, please see and the Developer Docs.

NUnit 3.0 was created by Charlie Poole, Rob Prouse, Simone Busoli, Neil Colvin and numerous community contributors. A complete list of contributors since NUnit migrated to GitHub can be found on GitHub.

Earlier versions of NUnit were developed by Charlie Poole, James W. Newkirk, Alexei A. Vorontsov, Michael C. Two and Philip A. Craig.


NUnit is Open Source software and NUnit 3 is released under the MIT license. Earlier releases used the NUnit license. Both of these licenses allow the use of NUnit in free and commercial applications and libraries without restrictions.

NUnit Projects

NUnit is made up of several projects. When reporting issues, please try to report issues in the correct project.

Core Projects

  • NUnit Test Framework - The test framework used to write NUnit tests (this repository)
  • NUnit Console and Engine - Runs unit tests from the command line and provides the engine that is used by other test runners to run NUnit tests

Visual Studio Extensions

Other Projects

NUnit Engine Extensions