System.Collections.Specialized by: Microsoft
  • 1.491k total downloads
  • Latest version: 4.3.0
Provides older specialized non-generic collections; for example, a linked list dictionary, a bit vector, and collections that contain only strings. Commonly Used Types: System.Collections.Specialized.NameValueCollection System.Collections.Specialized.NameObjectCollectionBase System.Collections.Specialized.StringCollection System.Collections.Specialized.IOrderedDictionary System.Collections.Specialized.HybridDictionary System.Collections.Specialized.OrderedDictionary System.Collections.Specialized.ListDictionary System.Collections.Specialized.StringDictionary System.Collections.Specialized.BitVector32 When using NuGet 3.x this package requires at least version 3.4.
System.ComponentModel by: Microsoft
  • 1.396k total downloads
  • Latest version: 4.3.0
Provides interfaces for the editing and change tracking of objects used as data sources. Commonly Used Types: System.ComponentModel.CancelEventArgs System.IServiceProvider System.ComponentModel.IEditableObject System.ComponentModel.IChangeTracking System.ComponentModel.IRevertibleChangeTracking When using NuGet 3.x this package requires at least version 3.4.
System.ComponentModel.Annotations by: Microsoft
  • 2.671k total downloads
  • Latest version: 5.0.0
Provides attributes that are used to define metadata for objects used as data sources. Commonly Used Types: System.ComponentModel.DataAnnotations.ValidationResult System.ComponentModel.DataAnnotations.IValidatableObject System.ComponentModel.DataAnnotations.ValidationAttribute System.ComponentModel.DataAnnotations.RequiredAttribute System.ComponentModel.DataAnnotations.StringLengthAttribute System.ComponentModel.DataAnnotations.DisplayAttribute System.ComponentModel.DataAnnotations.RegularExpressionAttribute System.ComponentModel.DataAnnotations.DataTypeAttribute System.ComponentModel.DataAnnotations.RangeAttribute System.ComponentModel.DataAnnotations.KeyAttribute When using NuGet 3.x this package requires at least version 3.4.
System.ComponentModel.Primitives by: Microsoft
  • 1.428k total downloads
  • Latest version: 4.3.0
Provides interfaces that are used to implement the run-time and design-time behavior of components. Commonly Used Types: System.ComponentModel.IComponent System.ComponentModel.IContainer System.ComponentModel.ISite System.ComponentModel.ComponentCollection When using NuGet 3.x this package requires at least version 3.4.
System.ComponentModel.TypeConverter by: Microsoft
  • 1.421k total downloads
  • Latest version: 4.3.0
Provides the System.ComponentModel.TypeConverter class, which represents a unified way of converting types of values to other types. Commonly Used Types: System.ComponentModel.TypeConverter System.ComponentModel.TypeConverterAttribute System.ComponentModel.PropertyDescriptor System.ComponentModel.StringConverter System.ComponentModel.ITypeDescriptorContext System.ComponentModel.EnumConverter System.ComponentModel.TypeDescriptor System.ComponentModel.Int32Converter System.ComponentModel.BooleanConverter System.ComponentModel.DoubleConverter When using NuGet 3.x this package requires at least version 3.4.
System.Composition by: Microsoft
  • 2.785k total downloads
  • Latest version: 7.0.0
This package provides a version of the Managed Extensibility Framework (MEF) that is lightweight and specifically optimized for high throughput scenarios, such as the web. Commonly Used Types: System.Composition.ExportAttribute System.Composition.ImportAttribute System.Composition.Convention.ConventionBuilder System.Composition.Hosting.CompositionHost System.Composition.CompositionContext System.Composition.CompositionContextExtensions
System.Composition.AttributedModel by: Microsoft
  • 2.742k total downloads
  • Latest version: 7.0.0
Provides common attributes used by System.Composition types. Commonly Used Types: System.Composition.ExportAttribute System.Composition.ImportAttribute System.Composition.Convention.AttributedModelProvider
System.Composition.Convention by: Microsoft
  • 2.764k total downloads
  • Latest version: 7.0.0
Provides types that support using Managed Extensibility Framework with a convention-based configuration model. Commonly Used Types: System.Composition.Convention.ConventionBuilder System.Composition.Convention.ExportConventionBuilder System.Composition.Convention.ImportConventionBuilder System.Composition.Convention.PartConventionBuilder System.Composition.Convention.ParameterImportConventionBuilder
System.Composition.Hosting by: Microsoft
  • 2.769k total downloads
  • Latest version: 7.0.0
Provides Managed Extensibility Framework types that are useful to developers of extensible applications, or hosts. Commonly Used Types: System.Composition.Hosting.CompositionHost
System.Composition.Runtime by: Microsoft
  • 2.798k total downloads
  • Latest version: 7.0.0
Contains runtime components of the Managed Extensibility Framework. Commonly Used Types: System.Composition.CompositionContext
System.Composition.TypedParts by: Microsoft
  • 2.763k 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
  • 7.375k 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
  • 1.284k 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
  • 7.491k 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
  • 4.226k 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
  • 1.217k 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
  • 1.544k 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
  • 1.57k 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
  • 7.781k 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
  • 3.111k 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.