System.IO.Compression.ZipFile by: Microsoft

Provides classes that support the compression and decompression of streams using file system paths. Commonly Used Types: System.IO.Compression.ZipFile When using NuGet 3.x this package requires at least version 3.4.

System.IO.FileSystem by: Microsoft

Provides types that allow reading and writing to files and types that provide basic file and directory support. Commonly Used Types: System.IO.FileStream System.IO.FileInfo System.IO.DirectoryInfo System.IO.FileSystemInfo System.IO.File System.IO.Directory System.IO.SearchOption System.IO.FileOptions When using NuGet 3.x this package requires at least version 3.4.

System.IO.FileSystem.AccessControl by: Microsoft

Provides types for managing access and audit control lists for files and directories. Commonly Used Types: System.Security.AccessControl.DirectoryObjectSecurity System.Security.AccessControl.DirectorySecurity System.Security.AccessControl.FileSecurity System.Security.AccessControl.FileSystemAccessRule System.Security.AccessControl.FileSystemAuditRule System.Security.AccessControl.FileSystemRights System.Security.AccessControl.FileSystemSecurity When using NuGet 3.x this package requires at least version 3.4.

System.IO.FileSystem.Primitives by: Microsoft

Provides common enumerations and exceptions for path-based I/O libraries. Commonly Used Types: System.IO.DirectoryNotFoundException System.IO.FileAccess System.IO.FileLoadException System.IO.PathTooLongException System.IO.FileMode System.IO.FileShare System.IO.FileAttributes When using NuGet 3.x this package requires at least version 3.4.

System.IO.Packaging by: Microsoft

Provides classes that support storage of multiple data objects in a single container. When using NuGet 3.x this package requires at least version 3.4.

System.IO.Pipelines by: Microsoft

Single producer single consumer byte buffer management. Commonly Used Types: System.IO.Pipelines.Pipe System.IO.Pipelines.PipeWriter System.IO.Pipelines.PipeReader When using NuGet 3.x this package requires at least version 3.4.

System.Linq by: Microsoft

Provides classes and interfaces that supports queries that use Language-Integrated Query (LINQ). Commonly Used Types: System.Linq.Enumerable System.Linq.IGrouping<TKey, TElement> System.Linq.IOrderedEnumerable<TElement> System.Linq.ILookup<TKey, TElement> System.Linq.Lookup<TKey, TElement> When using NuGet 3.x this package requires at least version 3.4.

System.Linq.Dynamic.Core by: ZZZ Projects, Stef Heyenrath, Microsoft, Scott Guthrie, King Wilder, Nathan Arnott

This is a .NETStandard / .NET Core port of the the Microsoft assembly for the .Net 4.0 Dynamic language functionality.

System.Linq.Expressions by: Microsoft

Provides classes, interfaces and enumerations that enable language-level code expressions to be represented as objects in the form of expression trees. Commonly Used Types: System.Linq.IQueryable<T> System.Linq.IQueryable System.Linq.Expressions.Expression<TDelegate> System.Linq.Expressions.Expression System.Linq.Expressions.ExpressionVisitor When using NuGet 3.x this package requires at least version 3.4.

System.Linq.Queryable by: Microsoft

Provides classes for querying data structures that implement IQueryable<T>. Commonly Used Types: System.Linq.Queryable System.Linq.EnumerableQuery<T> System.Linq.EnumerableQuery When using NuGet 3.x this package requires at least version 3.4.

System.Memory by: Microsoft

Provides types for efficient representation and pooling of managed, stack, and native memory segments and sequences of such segments, along with primitives to parse and format UTF-8 encoded text stored in those memory segments. Commonly Used Types: System.Span System.ReadOnlySpan System.Memory System.ReadOnlyMemory System.Buffers.MemoryPool System.Buffers.ReadOnlySequence System.Buffers.Text.Utf8Parser System.Buffers.Text.Utf8Formatter 32b491939fbd125f304031c35038b1e14b4e3958 When using NuGet 3.x this package requires at least version 3.4.

System.Net.Http by: Microsoft

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 Types: System.Net.Http.HttpResponseMessage System.Net.Http.DelegatingHandler System.Net.Http.HttpRequestException System.Net.Http.HttpClient System.Net.Http.MultipartContent System.Net.Http.Headers.HttpContentHeaders System.Net.Http.HttpClientHandler System.Net.Http.StreamContent System.Net.Http.FormUrlEncodedContent System.Net.Http.HttpMessageHandler When using NuGet 3.x this package requires at least version 3.4.

System.Net.NameResolution by: Microsoft

Provides the System.Net.Dns class, which enables developers to perform simple domain name resolution. Commonly Used Types: System.Net.Dns System.Net.IPHostEntry When using NuGet 3.x this package requires at least version 3.4.

System.Net.Primitives by: Microsoft

Provides common types for network-based libraries, including System.Net.IPAddress, System.Net.IPEndPoint, and System.Net.CookieContainer. Commonly Used Types: System.Net.HttpStatusCode System.Net.Sockets.SocketError System.Net.Cookie System.Net.Sockets.SocketException System.Net.IPEndPoint System.Net.ICredentials System.Net.NetworkCredential System.Net.IPAddress System.Net.CookieCollection System.Net.CookieContainer When using NuGet 3.x this package requires at least version 3.4.

System.Net.Requests by: Microsoft

Provides older classes (such as HttpWebRequest and HttpWebResponse) for sending HTTP requests and receiving HTTP responses from a resource identified by a URI. Developers should prefer the classes in the System.Net.Http package. Commonly Used Types: System.Net.HttpWebRequest System.Net.HttpWebResponse System.Net.HttpRequestHeader System.Net.WebException System.Net.WebExceptionStatus System.Net.WebRequest System.Net.WebResponse When using NuGet 3.x this package requires at least version 3.4.

System.Net.Security by: Microsoft

Provides types, such as System.Net.Security.SslStream, that uses SSL/TLS protocols to provide secure network communication between client and server endpoints. Commonly Used Types: System.Net.Security.SslStream System.Net.Security.ExtendedProtectionPolicy When using NuGet 3.x this package requires at least version 3.4.

System.Net.Sockets by: Microsoft

Provides classes such as Socket, TcpClient and UdpClient, which enable developers to send and receive data over the network. Commonly Used Types: System.Net.Sockets.Socket System.Net.Sockets.SocketAsyncEventArgs System.Net.Sockets.LingerOption System.Net.Sockets.SocketAsyncOperation System.Net.Sockets.ProtocolType System.Net.Sockets.NetworkStream System.Net.Sockets.TcpClient System.Net.Sockets.SocketType System.Net.Sockets.UdpClient System.Net.Sockets.SocketShutdown When using NuGet 3.x this package requires at least version 3.4.

System.Net.WebHeaderCollection by: Microsoft

Contains types that represent HTTP request and response headers. This library is used with classes such as System.Net.HttpWebRequest and System.Net.HttpWebResponse and allows developers to query/edit header names/values. Commonly Used Types: System.Net.HttpRequestHeader System.Net.HttpResponseHeader System.Net.WebHeaderCollection When using NuGet 3.x this package requires at least version 3.4.

System.Net.WebSockets by: Microsoft

Provides the System.Net.WebSockets.WebSocket abstract class and related types to allow developers to implement the WebSocket protocol (RFC 6455). WebSockets provide full-duplex communication over a single TCP connection. Commonly Used Types: System.Net.WebSockets.WebSocket System.Net.WebSockets.WebSocketContext System.Net.WebSockets.WebSocketException When using NuGet 3.x this package requires at least version 3.4.

System.Net.WebSockets.Client by: Microsoft

Provides the System.Net.WebSockets.ClientWebSocket class, which implements the client role of the WebSockets protocol (RFC 6455). Commonly Used Types: System.Net.WebSockets.ClientWebSocket When using NuGet 3.x this package requires at least version 3.4.