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.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.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.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.Diagnostics.StackTrace by: Microsoft

Provides the System.Diagnostics.StackTrace class, which allows interaction with local and remote processes. Commonly Used Types: System.Diagnostics.StackFrame System.Diagnostics.StackTrace When using NuGet 3.x this package requires at least version 3.4.

System.Diagnostics.DiagnosticSource by: Microsoft

Provides Classes that allow you to decouple code logging rich (unserializable) diagnostics/telemetry (e.g. framework) from code that consumes it (e.g. tools) Commonly Used Types: System.Diagnostics.DiagnosticListener System.Diagnostics.DiagnosticSource 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.Diagnostics.Contracts by: Microsoft

Provides static classes for representing program contracts such as preconditions, postconditions, and invariants. Commonly Used Types: System.Diagnostics.Contracts.Contract System.Diagnostics.Contracts.ContractClassAttribute System.Diagnostics.Contracts.ContractClassForAttribute System.Diagnostics.Contracts.ContractFailureKind System.Runtime.CompilerServices.ContractHelper System.Diagnostics.Contracts.ContractInvariantMethodAttribute System.Diagnostics.Contracts.PureAttribute System.Diagnostics.Contracts.ContractArgumentValidatorAttribute System.Diagnostics.Contracts.ContractVerificationAttribute System.Diagnostics.Contracts.ContractOptionAttribute 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.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.IO.UnmanagedMemoryStream by: Microsoft

Provides classes for access to unmanaged blocks of memory from managed code. Commonly Used Types: System.IO.UnmanagedMemoryStream System.IO.UnmanagedMemoryAccessor When using NuGet 3.x this package requires at least version 3.4.

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.Interactive.Async by: .NET Foundation and Contributors

Interactive Extensions Async Library used to express queries over asynchronous enumerable sequences.

System.IdentityModel.Tokens.Jwt by: Microsoft

Includes types that provide support for creating, serializing and validating JSON Web Tokens.

System.Dynamic.Runtime by: Microsoft

Provides classes and interfaces that support the Dynamic Language Runtime (DLR). Commonly Used Types: System.Runtime.CompilerServices.CallSite System.Runtime.CompilerServices.CallSite<T> System.Dynamic.IDynamicMetaObjectProvider System.Dynamic.DynamicMetaObject System.Dynamic.SetMemberBinder System.Dynamic.GetMemberBinder System.Dynamic.ExpandoObject System.Dynamic.DynamicObject System.Runtime.CompilerServices.CallSiteBinder System.Runtime.CompilerServices.ConditionalWeakTable<TKey, TValue> When using NuGet 3.x this package requires at least version 3.4.

System.Diagnostics.TextWriterTraceListener by: Microsoft

Provides trace listeners for directing tracing output to a text writer, such as System.IO.StreamWriter, or a stream, such as a System.IO.FileStream. Commonly Used Types: System.Diagnostics.TextWriterTraceListener System.Diagnostics.DelimitedListTraceListener When using NuGet 3.x this package requires at least version 3.4.

System.Linq.Parallel by: Microsoft

Provides classes that supports parallel queries that use Language-Integrated Query (LINQ). Commonly Used Types: System.Linq.ParallelQuery<TSource> System.Linq.ParallelEnumerable System.Linq.ParallelQuery System.Linq.OrderedParallelQuery<TSource> 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.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.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.