System.Diagnostics.PerformanceCounter by: Microsoft
  • 1.415k 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
  • 1.813k 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
  • 1.826k 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
  • 9.078k 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
  • 3.662k 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
  • 3.427k 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
  • 3.947k 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
  • 2.358k 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
  • 1.798k 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
  • 3.89k 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
  • 5.281k 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
  • 3.988k 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
  • 3.924k 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
  • 7.931k 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
  • 2.146k total downloads
  • Latest version: 1.0.2
Contains the BinaryData type, which is useful for converting between strings, streams, JSON, and bytes.
System.Numerics.Vectors by: Microsoft
  • 3.32k total downloads
  • Latest version: 4.5.0
Provides hardware-accelerated numeric types, suitable for high-performance processing and graphics applications. Commonly Used Types: System.Numerics.Matrix3x2 System.Numerics.Matrix4x4 System.Numerics.Plane System.Numerics.Quaternion System.Numerics.Vector2 System.Numerics.Vector3 System.Numerics.Vector4 System.Numerics.Vector System.Numerics.Vector<T> 30ab651fcb4354552bd4891619a0bdd81e0ebdbf
System.ObjectModel by: Microsoft
  • 3.939k total downloads
  • Latest version: 4.3.0
Provides types and interfaces that allow the creation of observable types that provide notifications to clients when changes are made to it. Commonly Used Types: System.ComponentModel.INotifyPropertyChanged System.Collections.ObjectModel.ObservableCollection<T> System.ComponentModel.PropertyChangedEventHandler System.Windows.Input.ICommand System.Collections.Specialized.INotifyCollectionChanged System.Collections.Specialized.NotifyCollectionChangedEventArgs System.Collections.Specialized.NotifyCollectionChangedEventHandler System.Collections.ObjectModel.KeyedCollection<TKey, TItem> System.ComponentModel.PropertyChangedEventArgs System.Collections.ObjectModel.ReadOnlyDictionary<TKey, TValue> When using NuGet 3.x this package requires at least version 3.4.
System.Reflection.Emit by: Microsoft
  • 3.872k total downloads
  • Latest version: 4.3.0
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 Types: System.Reflection.Emit.AssemblyBuilder System.Reflection.Emit.FieldBuilder System.Reflection.Emit.TypeBuilder System.Reflection.Emit.MethodBuilder System.Reflection.Emit.ConstructorBuilder System.Reflection.Emit.GenericTypeParameterBuilder System.Reflection.Emit.ModuleBuilder System.Reflection.Emit.PropertyBuilder System.Reflection.Emit.AssemblyBuilderAccess System.Reflection.Emit.EventBuilder When using NuGet 3.x this package requires at least version 3.4.
System.Reflection.Emit.ILGeneration by: Microsoft
  • 3.895k total downloads
  • Latest version: 4.3.0
Provides classes that allow a compiler or tool to emit Microsoft intermediate language (MSIL). The primary clients of these classes are script engines and compilers. Commonly Used Types: System.Reflection.Emit.ILGenerator System.Reflection.Emit.Label System.Reflection.Emit.CustomAttributeBuilder System.Reflection.Emit.LocalBuilder System.Reflection.Emit.ParameterBuilder System.Reflection.Emit.SignatureHelper When using NuGet 3.x this package requires at least version 3.4.
System.Reflection.Emit.Lightweight by: Microsoft
  • 3.747k total downloads
  • Latest version: 4.3.0
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 Types: System.Reflection.Emit.DynamicMethod When using NuGet 3.x this package requires at least version 3.4.