Xamarin.Forms by: Microsoft

Build native UIs for iOS, Android, UWP, macOS, Tizen and many more from a single, shared C# codebase

Xamarin.Forms.Platform.Tizen by: Samsung Electronics

Xamarin Forms Renderer to build native UIs for Tizen .NET

Xamarin.Forms.Platform.WPF by: Microsoft

Xamarin Forms Renderer to build native UIs for WPF

Xaml.Behaviors by: Wiesław Šoltés

Complete library of behaviors, actions and triggers for Avalonia applications.

Xaml.Interactions by: Wiesław Šoltés

Easily add interactivity to your Avalonia apps using XAML Behaviors. Behaviors encapsulate reusable functionalities for elements that can be easily added to your XAML without the need for more imperative code.

Xaml.Interactivity by: Wiesław Šoltés

Easily add interactivity to your Avalonia apps using XAML Behaviors. Behaviors encapsulate reusable functionalities for elements that can be easily added to your XAML without the need for more imperative code.

XLParser by: TU Delft Spreadsheet Lab, Infotron

A parser for Excel formulas

XmlSchemaClassGenerator-beta by: Michael Ganss

Generate XmlSerializer compatible C# classes from XML Schema files.

XPath2 by: Semyon A. Chertkov and Stef Heyenrath

This is an implementation of W3C XML Path Language (XPath) 2.0 for .NET based on standard XPathNavigator API.

XPath2.Extensions by: Stef Heyenrath

Non-official extensions for XPath2.dll (generate-id, base64encode, base64decode, json-to-xml and json-to-xmlstring)

XPlot.Plotly by: fsproject contributors

Brings Plotly charting to F# and .NET developers!

xunit by: jnewkirk, bradwilson

xUnit.net is a developer testing framework, built to support Test Driven Development, with a design goal of extreme simplicity and alignment with framework features. Installing this package installs xunit.core, xunit.assert, and xunit.analyzers.

xunit.abstractions by: James Newkirk, Brad Wilson

Common abstractions used to exchange information between xUnit.net and version-independent runners (xunit.abstractions.dll).

xunit.analyzers by: jnewkirk, bradwilson, marcind

xUnit.net is a developer testing framework, built to support Test Driven Development, with a design goal of extreme simplicity and alignment with framework features. Installing this package provides code analyzers to help developers find and fix frequent issues when writing tests and xUnit.net extensibility code.

xunit.assert by: jnewkirk, bradwilson

Includes the assertion library from xUnit.net (xunit.assert.dll). Supports .NET Standard 1.1+ and .NET 6.0+.

xunit.core by: jnewkirk, bradwilson

Includes the libraries for writing unit tests with xUnit.net.

Xunit.DependencyInjection by: Wei Peng

Use Microsoft.Extensions.DependencyInjection to inject xunit testclass. If you want write Microsoft.Extensions.Logging to ITestOutputHelper, please install Xunit.DependencyInjection.Logging. Release notes: 12.0: Update xunit.v3 to 4.0.0. 11.3: Support FsCheck.Xunit.v3. 11.2: Update xunit.v3 to 3.2.2, Move HostManager.Start/Stop to AssemblyRunner. 11.1: Update xunit.v3 to 3.2.0. 11.0: C# 14, Downgrade Microsoft.Extensions.Hosting to 8.0. 10.8: Add CreateHostApplicationBuilder method. 10.7: Update xunit.v3 to 3.0.1, does not set ApplicationName if it is already configured. 10.6: Update xunit.v3 to 3.0.0. 10.5: Improve compatibility with top level statements. 10.4: Fix #146. 10.3: Update xunit.v3 to 2.0.0. 10.2: Fix some parallelization problem. 10.1: Allow the default startup to be missing anywhere. 10.0: Upgrade xunit to v3.

xunit.extensibility.core by: jnewkirk, bradwilson

Includes xunit.core.dll for extensibility purposes. Supports .NET 4.5.2 or later, and .NET Standard 1.1.

xunit.extensibility.execution by: jnewkirk, bradwilson

Includes xunit.execution.*.dll for extensibility purposes. Supports .NET 4.5.2 or later, and .NET Standard 1.1.

xunit.runner.visualstudio by: jnewkirk, bradwilson

Visual Studio 2022+ Test Explorer runner for the xUnit.net framework. Capable of running xUnit.net v1, v2, and v3 tests. Supports .NET 4.7.2 or later, and .NET 8 or later.