System.Reflection.Metadata by: Microsoft

This packages provides a low-level .NET (ECMA-335) metadata reader and writer. It's geared for performance and is the ideal choice for building higher-level libraries that intend to provide their own object model, such as compilers. Commonly Used Types: System.Reflection.Metadata.MetadataReader System.Reflection.PortableExecutable.PEReader System.Reflection.Metadata.Ecma335.MetadataBuilder System.Reflection.PortableExecutable.PEBuilder System.Reflection.PortableExecutable.ManagedPEBuilder When using NuGet 3.x this package requires at least version 3.4.

System.Reflection.TypeExtensions by: Microsoft

Provides extensions methods for System.Type that are designed to be source-compatible with older framework reflection-based APIs. Commonly Used Types: System.Reflection.TypeExtensions System.Reflection.BindingFlags When using NuGet 3.x this package requires at least version 3.4.

System.Resources.Reader by: Microsoft

Provides classes which read resources from streams in the system-default format. Commonly Used Types: System.Resources.ResourceReader When using NuGet 3.x this package requires at least version 3.4.

System.Resources.Writer by: Microsoft

Provides classes which write resources to streams in the system-default format. Commonly Used Types: System.Resources.ResourceWriter When using NuGet 3.x this package requires at least version 3.4.

System.Runtime.CompilerServices.Unsafe by: Microsoft

Provides the System.Runtime.CompilerServices.Unsafe class, which provides generic, low-level functionality for manipulating pointers. Commonly Used Types: System.Runtime.CompilerServices.Unsafe When using NuGet 3.x this package requires at least version 3.4.

System.Runtime.InteropServices.NFloat.Internal by: Microsoft

Exposes additional NFloat APIs for Xamarin/Maui APIs from System.Runtime.InteropServices

System.Runtime.InteropServices.RuntimeInformation by: Microsoft

Provides APIs to query about runtime and OS information. Commonly Used Types: System.Runtime.InteropServices.RuntimeInformation System.Runtime.InteropServices.OSPlatform When using NuGet 3.x this package requires at least version 3.4.

System.Runtime.InteropServices.WindowsRuntime by: Microsoft

Provides classes that support interoperation between managed code and the Windows Runtime, and that enable the creation of Windows Runtime types with managed code. Commonly Used Types: System.Runtime.InteropServices.WindowsRuntime.WindowsRuntimeMarshal System.Runtime.InteropServices.WindowsRuntime.ReadOnlyArrayAttribute System.Runtime.InteropServices.WindowsRuntime.WriteOnlyArrayAttribute System.Runtime.InteropServices.WindowsRuntime.ReturnValueNameAttribute When using NuGet 3.x this package requires at least version 3.4.

System.Runtime.Loader by: Microsoft

Provides the System.Runtime.Loader.AssemblyLoadContext class, which provides members for loading assemblies. Commonly Used Types: System.Runtime.Loader.AssemblyLoadContext When using NuGet 3.x this package requires at least version 3.4.

System.Runtime.Numerics by: Microsoft

Provides the numeric types System.Numerics.BigInteger and System.Numerics.Complex, which complement the numeric primitives, such as System.Byte, System.Double and System.Int32. Commonly Used Types: System.Numerics.BigInteger System.Numerics.Complex When using NuGet 3.x this package requires at least version 3.4.

System.Runtime.Serialization.Formatters by: Microsoft

Provides common types for libraries that support runtime serialization. Commonly Used Types: System.SerializableAttribute System.Runtime.Serialization.ISerializable When using NuGet 3.x this package requires at least version 3.4.

System.Runtime.Serialization.Json by: Microsoft

Provides classes for serializing objects to the JavaScript Object Notation (JSON) and deserializing JSON data to objects. Commonly Used Types: System.Runtime.Serialization.Json.DataContractJsonSerializer When using NuGet 3.x this package requires at least version 3.4.

System.Runtime.Serialization.Primitives by: Microsoft

Provides common types, including System.Runtime.Serialization.DataContractAttribute, for libraries that support data contract serialization. Commonly Used Types: System.Runtime.Serialization.StreamingContext System.Runtime.Serialization.OnDeserializingAttribute System.Runtime.Serialization.OnDeserializedAttribute System.Runtime.Serialization.OnSerializingAttribute System.Runtime.Serialization.OnSerializedAttribute System.Runtime.Serialization.EnumMemberAttribute System.Runtime.Serialization.DataMemberAttribute System.Runtime.Serialization.DataContractAttribute System.Runtime.Serialization.IgnoreDataMemberAttribute System.Runtime.Serialization.SerializationException When using NuGet 3.x this package requires at least version 3.4.

System.Runtime.Serialization.Xml by: Microsoft

Provides classes for serializing objects to the Extensible Markup Language (XML) and deserializing XML data to objects. Commonly Used Types: System.Runtime.Serialization.DataContractSerializer System.Runtime.Serialization.XmlObjectSerializer System.Runtime.Serialization.InvalidDataContractException System.Xml.XmlDictionaryReader System.Xml.XmlDictionaryWriter System.Xml.XmlDictionaryString System.Xml.UniqueId System.Xml.XmlDictionaryReaderQuotas System.Runtime.Serialization.DataContractResolver System.Xml.IXmlDictionary When using NuGet 3.x this package requires at least version 3.4.

System.Runtime.WindowsRuntime by: Microsoft

Provides extensions methods that improve interoperation between managed code and the Windows Runtime. Commonly Used Types: System.WindowsRuntimeSystemExtensions System.IO.WindowsRuntimeStorageExtensions System.IO.WindowsRuntimeStreamExtensions System.Runtime.InteropServices.WindowsRuntime.AsyncInfo System.Runtime.InteropServices.WindowsRuntime.WindowsRuntimeBuffer When using NuGet 3.x this package requires at least version 3.4.

System.Runtime.WindowsRuntime.UI.Xaml by: Microsoft

Provides managed equivalents of Extensible Application Markup Language (XAML) UI types from Windows Runtime. Commonly Used Types: Windows.UI.Xaml.CornerRadius Windows.UI.Xaml.Duration Windows.UI.Xaml.DurationType Windows.UI.Xaml.GridLength Windows.UI.Xaml.GridUnitType Windows.UI.Xaml.Thickness Windows.UI.Xaml.Media.Matrix Windows.UI.Xaml.Media.Animation.KeyTime Windows.UI.Xaml.Media.Animation.RepeatBehavior Windows.UI.Xaml.Media.Animation.RepeatBehaviorType Windows.UI.Xaml.Media.Media3D.Matrix3D When using NuGet 3.x this package requires at least version 3.4.

System.Security.AccessControl by: Microsoft

Provides base classes that enable managing access and audit control lists on securable objects. Commonly Used Types: System.Security.AccessControl.AccessRule System.Security.AccessControl.AuditRule System.Security.AccessControl.ObjectAccessRule System.Security.AccessControl.ObjectAuditRule System.Security.AccessControl.ObjectSecurity When using NuGet 3.x this package requires at least version 3.4.

System.Security.Claims by: Microsoft

Provides classes that implement claims-based identity in the .NET Framework, including classes that represent claims, claims-based identities, and claims-based principals. Commonly Used Types: System.Security.Principal.GenericIdentity System.Security.Claims.Claim System.Security.Claims.ClaimsIdentity System.Security.Claims.ClaimsPrincipal System.Security.Principal.GenericPrincipal When using NuGet 3.x this package requires at least version 3.4.

System.Security.Cryptography.Cng by: Microsoft

Provides cryptographic algorithm implementations and key management with Windows Cryptographic Next Generation API (CNG). Commonly Used Types: System.Security.Cryptography.RSACng System.Security.Cryptography.ECDsaCng System.Security.Cryptography.CngKey When using NuGet 3.x this package requires at least version 3.4.

System.Security.Cryptography.OpenSsl by: Microsoft

Provides cryptographic algorithm implementations and key management for non-Windows systems with OpenSSL. Commonly Used Types: System.Security.Cryptography.RSAOpenSsl When using NuGet 3.x this package requires at least version 3.4.