Microsoft 

Provides types for encoding and escaping strings for use in JavaScript, HyperText Markup Language (HTML), and uniform resource locators (URL). Commonly Used... More information

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... More information

Provides extensions methods for System.Type that are designed to be source-compatible with older framework reflection-based APIs. Commonly Used... More information

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

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... More information

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

Provides support for accessing and modifying the Windows Registry. Commonly Used... More information

Provides commonly-used classes for performing mathematical functions, conversions, string comparisons and querying environment information. Commonly Used... More information

Provides types that simplify the work of writing concurrent and asynchronous code. Commonly Used... More information

Provides base abstract encoding classes for converting blocks of characters to and from blocks of bytes. Commonly Used... More information

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... More information

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

Provides classes and attributes that allow developers to create, store, and manage various culture-specific resources used in an application. Commonly Used... More information

Provides common enumerations for reflection-based libraries. Commonly Used... More information

Provides the fundamental synchronization primitives, including System.Threading.Monitor and System.Threading.Mutex, that are required when writing asynchronous code. Commonly Used... More information

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... More information

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

Hosting and startup abstractions for applications.

Provides classes and attributes that allows basic interaction with a debugger. Commonly Used... More information

Provides classes and interfaces that supports queries that use Language-Integrated Query (LINQ). Commonly Used Types: System.Linq.Enumerable System.Linq.IGrouping<TKey,... More information