Microsoft 


  • 960,813,758 total downloads
  • last updated 12/3/2019
  • Latest version: 4.7.0
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.
  • 939,155,735 total downloads
  • last updated 11/9/2020
  • Latest version: 5.0.0
Provides support for accessing and modifying the Windows Registry. Commonly Used Types: Microsoft.Win32.RegistryKey Microsoft.Win32.Registry Microsoft.Win32.RegistryValueKind Microsoft.Win32.RegistryHive Microsoft.Win32.RegistryView When using NuGet 3.x this package requires at least version... More information
  • 927,646,317 total downloads
  • last updated 2/12/2019
  • Latest version: 4.3.1
Provides the fundamental primitives, classes and base classes that define commonly-used value and reference data types, events and event handlers, interfaces, attributes, and exceptions. This packages represents the core package, and provides the minimal set of types required to build a managed... More information
  • 906,678,428 total downloads
  • last updated 11/8/2021
  • Latest version: 6.0.0
This package provides collections that are thread safe and guaranteed to never change their contents, also known as immutable collections. Like strings, any methods that perform modifications will not change the existing instance but instead return a new instance. For efficiency reasons, the... More information
  • 894,702,574 total downloads
  • last updated 10/9/2018
  • Latest version: 4.3.4
Provides a programming interface for modern HTTP applications, including HTTP client components that allow applications to consume web services over HTTP and HTTP components that can be used by both clients and servers for parsing HTTP headers. Commonly Used... More information
  • 877,091,245 total downloads
  • last updated 11/15/2016
  • Latest version: 4.3.0
Provides classes, interfaces and enumerations that enable language-level code expressions to be represented as objects in the form of expression trees. Commonly Used... More information
  • 876,549,401 total downloads
  • last updated 12/3/2019
  • Latest version: 4.7.0
Provides classes that allow a compiler or tool to emit metadata and optionally generate a PE file on disk. The primary clients of these classes are script engines and compilers. Commonly Used... More information
  • 868,202,358 total downloads
  • last updated 12/3/2019
  • Latest version: 4.7.0
Provides the System.Reflection.Emit.DynamicMethod class, which represents a dynamic method that can be compiled, executed, and discarded. Discarded methods are available for garbage collection. Commonly Used Types: System.Reflection.Emit.DynamicMethod When using NuGet 3.x this package requires at... More information
  • 865,872,644 total downloads
  • last updated 5/7/2018
  • Latest version: 2.0.3
A set of standard .NET APIs that are prescribed to be used and supported together. 18a36291e48808fa7ef2d00a764ceb1ec95645a5 When using NuGet 3.x this package requires at least version 3.4.
  • 856,882,871 total downloads
  • last updated 11/15/2016
  • Latest version: 4.3.0
Provides base input and output (I/O) types, including System.IO.Stream, System.IO.StreamReader and System.IO.StreamWriter, that allow reading and writing to data streams Commonly Used... More information
  • 845,331,093 total downloads
  • last updated 11/8/2021
  • Latest version: 6.0.0
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
  • 843,444,396 total downloads
  • last updated 11/15/2016
  • Latest version: 4.3.0
Provides types that retrieve information about assemblies, modules, members, parameters, and other entities in managed code by examining their metadata. These types also can be used to manipulate instances of loaded types, for example to hook up events or to invoke methods. Commonly Used... More information
  • 838,420,191 total downloads
  • last updated 11/15/2016
  • Latest version: 4.3.0
Provides classes that define culture-related information, including language, country/region, calendars in use, format patterns for dates, currency, and numbers, and sort order for strings. Commonly Used... More information
  • 836,477,873 total downloads
  • last updated 11/15/2016
  • 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... More information
  • 835,950,731 total downloads
  • last updated 11/15/2016
  • Latest version: 4.3.0
Provides classes that define generic collections, which allow developers to create strongly typed collections that provide better type safety and performance than non-generic strongly typed collections. Commonly Used... More information