System.Composition.TypedParts by: Microsoft
  • 2.75k total downloads
  • Latest version: 7.0.0
Provides some extension methods for the Managed Extensibility Framework. Commonly Used Types: System.Composition.CompositionContextExtensions System.Composition.Hosting.ContainerConfiguration
System.Configuration.ConfigurationManager by: Microsoft
  • 7.341k total downloads
  • Latest version: 8.0.0
Provides types that support using XML configuration files (app.config). This package exists only to support migrating existing .NET Framework code that already uses System.Configuration. When writing new code, use another configuration system instead, such as Microsoft.Extensions.Configuration.
System.Data.DataSetExtensions by: Microsoft
  • 1.277k total downloads
  • Latest version: 4.5.0
Provides extensions to form LINQ expressions and method queries against DataTable objects. Commonly Used Types: System.Data.DataRowComparer System.Data.DataRowExtensions System.Data.DataTableExtensions System.Data.EnumerableRowCollection System.Data.EnumerableRowCollectionExtensions System.Data.OrderedEnumerableRowCollection System.Data.TypedTableBase System.Data.TypedTableBaseExtensions 30ab651fcb4354552bd4891619a0bdd81e0ebdbf When using NuGet 3.x this package requires at least version 3.4.
System.Diagnostics.DiagnosticSource by: Microsoft
  • 7.456k total downloads
  • Latest version: 8.0.0
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
System.Diagnostics.EventLog by: Microsoft
  • 4.205k total downloads
  • Latest version: 8.0.1
Provides the System.Diagnostics.EventLog class, which allows the applications to use the Windows event log service. Commonly Used Types: System.Diagnostics.EventLog
System.Diagnostics.PerformanceCounter by: Microsoft
  • 1.211k total downloads
  • Latest version: 6.0.1
Provides the System.Diagnostics.PerformanceCounter class, which allows access to Windows performance counters. Commonly Used Types: System.Diagnostics.PerformanceCounter
System.Diagnostics.StackTrace by: Microsoft
  • 1.534k total downloads
  • Latest version: 4.3.0
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.DirectoryServices.Protocols by: Microsoft
  • 1.562k total downloads
  • Latest version: 8.0.0
Provides the methods defined in the Lightweight Directory Access Protocol (LDAP) version 3 (V3) and Directory Services Markup Language (DSML) version 2.0 (V2) standards.
System.Drawing.Common by: Microsoft
  • 7.743k total downloads
  • Latest version: 7.0.0
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.Dynamic.Runtime by: Microsoft
  • 3.094k total downloads
  • Latest version: 4.3.0
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
  • 2.886k total downloads
  • Latest version: 6.0.0
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.IdentityModel.Tokens.Jwt by: Microsoft
  • 3.486k total downloads
  • Latest version: 7.1.2
  • .NET Windows Authentication Identity Json Web Token
Includes types that provide support for creating, serializing and validating JSON Web Tokens. As of IdentityModel 7x, this is a legacy tool that should be replaced with Microsoft.IdentityModel.JsonWebTokens.
System.IO.Compression.ZipFile by: Microsoft
  • 2.004k total downloads
  • Latest version: 4.3.0
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.AccessControl by: Microsoft
  • 1.548k total downloads
  • Latest version: 5.0.0
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
  • 3.299k total downloads
  • Latest version: 4.3.0
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.Pipelines by: Microsoft
  • 4.491k total downloads
  • Latest version: 8.0.0
Single producer single consumer byte buffer management. Commonly Used Types: System.IO.Pipelines.Pipe System.IO.Pipelines.PipeWriter System.IO.Pipelines.PipeReader
System.Linq by: Microsoft
  • 3.387k total downloads
  • Latest version: 4.3.0
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.Expressions by: Microsoft
  • 3.335k total downloads
  • 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 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.Memory by: Microsoft
  • 6.818k total downloads
  • Latest version: 4.5.5
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.Memory.Data by: Microsoft
  • 1.836k total downloads
  • Latest version: 1.0.2
Contains the BinaryData type, which is useful for converting between strings, streams, JSON, and bytes.