System.Drawing.Common by: Microsoft

Provides access to GDI+ graphics functionality. Commonly Used Types: System.Drawing.Bitmap System.Drawing.BitmapData System.Drawing.Brush System.Drawing.Font System.Drawing.Graphics System.Drawing.Icon Since .NET 7, non-Windows platforms are not supported, even with the runtime configuration switch. See https://aka.ms/systemdrawingnonwindows for more information.

System.Drawing.Primitives by: Microsoft

Provides basic drawing primitive structures, that exposes the corresponding System.Drawing.dll types in .NET Core. Commonly Used Types: System.Drawing.Point System.Drawing.PointF System.Drawing.Size System.Drawing.SizeF System.Drawing.Rectangle System.Drawing.RectangleF When using NuGet 3.x this package requires at least version 3.4.

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.Formats.Asn1 by: Microsoft

Provides classes that can read and write the ASN.1 BER, CER, and DER data formats. Commonly Used Types: System.Formats.Asn1.AsnReader System.Formats.Asn1.AsnWriter

System.Globalization by: Microsoft

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 Types: System.Globalization.DateTimeFormatInfo System.Globalization.CultureInfo System.Globalization.NumberFormatInfo System.Globalization.CalendarWeekRule System.Globalization.TextInfo System.Globalization.Calendar System.Globalization.CompareInfo System.Globalization.CompareOptions System.Globalization.UnicodeCategory When using NuGet 3.x this package requires at least version 3.4.

System.Globalization.Extensions by: Microsoft

Provides classes for performing Unicode string normalization, culture-specific string comparisons and support the use of non-ASCII characters for Internet domain names. Commonly Used Types: System.StringNormalizationExtensions System.Text.NormalizationForm System.Globalization.IdnMapping When using NuGet 3.x this package requires at least version 3.4.

System.IdentityModel.Tokens.Jwt by: Microsoft

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

System.IO by: Microsoft

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 Types: System.IO.Stream System.IO.EndOfStreamException System.IO.MemoryStream System.IO.StreamReader System.IO.StreamWriter System.IO.StringWriter System.IO.TextWriter System.IO.TextReader \r\n TFS ID: 1599443, GitHub SHA: https://github.com/dotnet/corefx/tree/eede273a4dfabcea608621f5e1bbf8ad00584cfb

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

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.FileSystem.Watcher by: Microsoft

Provides the System.IO.FileSystemWather class, which listens to the file system change notifications and raises events when a directory, or a file in a directory, changes. Commonly Used Types: System.IO.FileSystemWatcher System.IO.WatcherChangeTypes System.IO.FileSystemEventArgs System.IO.RenamedEventArgs System.IO.FileSystemEventHandler System.IO.RenamedEventHandler System.IO.NotifyFilters System.IO.ErrorEventArgs System.IO.ErrorEventHandler System.IO.WaitForChangedResult When using NuGet 3.x this package requires at least version 3.4.

System.IO.MemoryMappedFiles by: Microsoft

Provides classes for using a memory-mapped file, which maps the contents of a file to an application's logical address space. Commonly Used Types: System.IO.MemoryMappedFiles.MemoryMappedViewAccessor System.IO.MemoryMappedFiles.MemoryMappedViewStream System.IO.MemoryMappedFiles.MemoryMappedFile System.IO.MemoryMappedFiles.MemoryMappedFileAccess 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.

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

System.IO.Pipes.AccessControl by: Microsoft

Provides types for managing access and audit control lists for pipes. Commonly Used Types: System.IO.Pipes.PipeSecurity System.IO.Pipes.PipeAccessRule System.IO.Pipes.PipeAuditRule System.IO.Pipes.PipeAccessRights When using NuGet 3.x this package requires at least version 3.4.

System.IO.Ports by: Microsoft

Provides classes for controlling serial ports. Commonly Used Types: System.IO.Ports.SerialPort

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 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.Async by: .NET Foundation and Contributors

Provides support for Language-Integrated Query (LINQ) over IAsyncEnumerable<T> sequences.