System.Security.Principal by: Microsoft
  • 696 total downloads
  • Latest version: 4.3.0
Provides the base interfaces for principal and identity objects that represents the security context under which code is running. Commonly Used Types: System.Security.Principal.IPrincipal System.Security.Principal.IIdentity System.Security.Principal.TokenImpersonationLevel When using NuGet 3.x this package requires at least version 3.4.
System.Security.Principal.Windows by: Microsoft
  • 3.956k total downloads
  • Latest version: 6.0.0-preview.5.21301.5
Provides classes for retrieving the current Windows user and for interacting with Windows users and groups. Commonly Used Types: System.Security.Principal.WindowsIdentity System.Security.Principal.SecurityIdentifier System.Security.Principal.NTAccount System.Security.Principal.WindowsPrincipal System.Security.Principal.IdentityReference System.Security.Principal.IdentityNotMappedException System.Security.Principal.WindowsBuiltInRole System.Security.Principal.WellKnownSidType
System.Security.SecureString by: Microsoft
  • 266 total downloads
  • Latest version: 4.3.0
Provides the System.Security.SecureString class, which represents text that should be kept confidential. The text is encrypted for privacy when being used, and deleted from computer memory when no longer needed. Commonly Used Types: System.Security.SecureString System.Security.SecureStringMarshal When using NuGet 3.x this package requires at least version 3.4.
System.ServiceModel.Duplex by: Microsoft
  • 3.688k total downloads
  • Latest version: 6.0.0
Provides the types that permit 2-way ("duplex") exchanges of messages.
System.ServiceModel.Http by: Microsoft
  • 3.887k total downloads
  • Latest version: 6.0.0
Provides the types that permit SOAP messages to be exchanged using Http (example: BasicHttpBinding).
System.ServiceModel.NetTcp by: Microsoft
  • 3.404k total downloads
  • Latest version: 6.0.0
Provides the types that permit SOAP messages to be exchanged using TCP (example: NetTcpBinding).
System.ServiceModel.Primitives by: Microsoft
  • 3.804k total downloads
  • Latest version: 6.0.0
Provides the common types used by all of the WCF libraries.
System.ServiceModel.Security by: Microsoft
  • 3.792k total downloads
  • Latest version: 6.0.0
Provides the types that support additional security features.
System.ServiceModel.Syndication by: Microsoft
  • 3.811k total downloads
  • Latest version: 8.0.0-preview.5.23280.8
Provides classes related to service model syndication.
System.ServiceProcess.ServiceController by: Microsoft
  • 2.451k total downloads
  • Latest version: 8.0.0-preview.5.23280.8
Provides the System.ServiceProcess.ServiceController class, which allows you to connect to a Windows service, manipulate it, or get information about it. Commonly Used Types: System.ServiceProcess.ServiceController System.ServiceProcess.ServiceControllerStatus System.ServiceProcess.ServiceType
System.Speech by: Microsoft
  • 1.411k total downloads
  • Latest version: 8.0.0-preview.5.23280.8
Provides types to perform speech synthesis and speech recognition. Commonly Used Types System.Speech.Synthesis.SpeechSynthesizer System.Speech.Recognition.SpeechRecognizer
System.Text.Encoding by: Microsoft
  • 1.317k total downloads
  • Latest version: 4.3.0
Provides base abstract encoding classes for converting blocks of characters to and from blocks of bytes. Commonly Used Types: System.Text.Encoding System.Text.DecoderFallbackException System.Text.Decoder System.Text.EncoderFallbackException System.Text.Encoder System.Text.EncoderFallback System.Text.EncoderFallbackBuffer System.Text.DecoderFallback System.Text.DecoderFallbackBuffer System.Text.DecoderExceptionFallback When using NuGet 3.x this package requires at least version 3.4.
System.Text.Encoding.CodePages by: Microsoft
  • 5.916k total downloads
  • Latest version: 8.0.0-preview.5.23280.8
Provides support for code-page based encodings, including Windows-1252, Shift-JIS, and GB2312. Commonly Used Types: System.Text.CodePagesEncodingProvider
System.Text.Encoding.Extensions by: Microsoft
  • 1.273k total downloads
  • Latest version: 4.3.0
Provides support for specific encodings, including ASCII, UTF-7, UTF-8, UTF-16, and UTF-32. Commonly Used Types: System.Text.UTF8Encoding System.Text.UnicodeEncoding System.Text.ASCIIEncoding System.Text.UTF7Encoding System.Text.UTF32Encoding When using NuGet 3.x this package requires at least version 3.4.
System.Text.Encodings.Web by: Microsoft
  • 5.143k total downloads
  • Latest version: 8.0.0-preview.5.23280.8
Provides types for encoding and escaping strings for use in JavaScript, HyperText Markup Language (HTML), and uniform resource locators (URL). Commonly Used Types: System.Text.Encodings.Web.HtmlEncoder System.Text.Encodings.Web.UrlEncoder System.Text.Encodings.Web.JavaScriptEncoder
System.Text.Json by: Microsoft
  • 4.726k total downloads
  • Latest version: 8.0.0-preview.5.23280.8
Provides high-performance and low-allocating types that serialize objects to JavaScript Object Notation (JSON) text and deserialize JSON text to objects, with UTF-8 support built-in. Also provides types to read and write JSON text encoded as UTF-8, and to create an in-memory document object model (DOM), that is read-only, for random access of the JSON elements within a structured view of the data. The System.Text.Json library is built-in as part of the shared framework in .NET Runtime. The package can be installed when you need to use it in other target frameworks.
System.Text.RegularExpressions by: Microsoft
  • 1.072k total downloads
  • Latest version: 4.3.1
Provides the System.Text.RegularExpressions.Regex class, an implementation of a regular expression engine. Commonly Used Types: System.Text.RegularExpressions.Regex System.Text.RegularExpressions.RegexOptions System.Text.RegularExpressions.Match System.Text.RegularExpressions.Group System.Text.RegularExpressions.Capture System.Text.RegularExpressions.MatchEvaluator When using NuGet 3.x this package requires at least version 3.4.
System.Threading by: Microsoft
  • 1.029k total downloads
  • Latest version: 4.3.0
Provides the fundamental synchronization primitives, including System.Threading.Monitor and System.Threading.Mutex, that are required when writing asynchronous code. Commonly Used Types: System.Threading.Monitor System.Threading.SynchronizationContext System.Threading.ManualResetEvent System.Threading.AutoResetEvent System.Threading.ThreadLocal<T> System.Threading.EventWaitHandle System.Threading.SemaphoreSlim System.Threading.Mutex When using NuGet 3.x this package requires at least version 3.4.
System.Threading.AccessControl by: Microsoft
  • 3.072k total downloads
  • Latest version: 8.0.0-preview.5.23280.8
Provides support for managing access and audit control lists for synchronization primitives. Commonly Used Types: System.Security.AccessControl.EventWaitHandleAccessRule System.Security.AccessControl.EventWaitHandleAuditRule System.Security.AccessControl.MutexAccessRule System.Security.AccessControl.MutexAuditRule System.Security.AccessControl.MutexSecurity System.Security.AccessControl.SemaphoreAccessRule System.Security.AccessControl.SemaphoreAuditRule System.Security.AccessControl.SemaphoreSecurity
System.Threading.Channels by: Microsoft
  • 3.365k total downloads
  • Latest version: 8.0.0-preview.5.23280.8
Provides types for passing data between producers and consumers. Commonly Used Types: System.Threading.Channel System.Threading.Channel<T>