System.ComponentModel.Annotations by: Microsoft
  • 14.085k 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.Diagnostics.StackTrace by: Microsoft
  • 10.05k 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.Composition.Runtime by: Microsoft
  • 1.412k total downloads
  • Latest version: 1.0.31
Contains runtime components of the Managed Extensibility Framework. Commonly Used Types: System.Composition.CompositionContext When using NuGet 3.x this package requires at least version 3.4.
System.Diagnostics.DiagnosticSource by: Microsoft
  • 32.065k total downloads
  • Latest version: 5.0.1
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.ComponentModel.EventBasedAsync by: Microsoft
  • 14 total downloads
  • Latest version: 4.0.11
Provides support classes and delegates for the event-based asynchronous pattern. Developers should prefer the classes in the System.Threading.Tasks package. Commonly Used Types: System.ComponentModel.AsyncCompletedEventArgs System.ComponentModel.AsyncCompletedEventHandler System.ComponentModel.ProgressChangedEventArgs System.ComponentModel.ProgressChangedEventHandler System.ComponentModel.AsyncOperation System.ComponentModel.AsyncOperationManager When using NuGet 3.x this package requires at least version 3.4.
System.Diagnostics.Contracts by: Microsoft
  • 947 total downloads
  • Latest version: 4.3.0
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.Data.Common by: Microsoft
  • 9.296k total downloads
  • Latest version: 4.3.0
Provides the base abstract classes, including System.Data.DbConnection and System.Data.DbCommand, for all data providers. Commonly Used Types: System.DBNull System.Data.Common.DbConnection System.Data.Common.DbException System.Data.Common.DbParameter System.Data.DbType System.Data.Common.DbDataReader System.Data.Common.DbCommand System.Data.Common.DbTransaction System.Data.Common.DbParameterCollection System.Data.Common.DbProviderFactory When using NuGet 3.x this package requires at least version 3.4.
System.ComponentModel.Primitives by: Microsoft
  • 11.087k 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.Interactive.Async by: .NET Foundation and Contributors
  • 513 total downloads
  • Latest version: 3.2.0
  • Ix Interactive Extensions Enumerable Asynchronous
Interactive Extensions Async Library used to express queries over asynchronous enumerable sequences.
System.Composition.AttributedModel by: Microsoft
  • 1.414k total downloads
  • Latest version: 1.0.31
Provides common attributes used by System.Composition types. Commonly Used Types: System.Composition.ExportAttribute System.Composition.ImportAttribute System.Composition.Convention.AttributedModelProvider When using NuGet 3.x this package requires at least version 3.4.
System.IdentityModel.Tokens.Jwt by: Microsoft
  • 17.273k total downloads
  • Latest version: 5.6.0
  • .NET Windows Authentication Identity Json Web Token
Includes types that provide support for creating, serializing and validating JSON Web Tokens.
System.Dynamic.Runtime by: Microsoft
  • 22.754k 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.Diagnostics.TextWriterTraceListener by: Microsoft
  • 22 total downloads
  • Latest version: 4.0.0
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.Composition by: Microsoft
  • 1.435k total downloads
  • Latest version: 1.0.31
This packages 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 When using NuGet 3.x this package requires at least version 3.4.
System.Composition.Hosting by: Microsoft
  • 1.417k total downloads
  • Latest version: 1.0.31
Provides Managed Extensibility Framework types that are useful to developers of extensible applications, or hosts. Commonly Used Types: System.Composition.Hosting.CompositionHost When using NuGet 3.x this package requires at least version 3.4.
System.ComponentModel.TypeConverter by: Microsoft
  • 10.884k 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.IO.Compression.ZipFile by: Microsoft
  • 14.034k 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.Data.SqlClient by: Microsoft
  • 3.045k total downloads
  • Latest version: 4.8.1
Provides the data provider for SQL Server. These classes provide access to versions of SQL Server and encapsulate database-specific protocols, including tabular data stream (TDS) Commonly Used Types: System.Data.SqlClient.SqlConnection System.Data.SqlClient.SqlException System.Data.SqlClient.SqlParameter System.Data.SqlDbType System.Data.SqlClient.SqlDataReader System.Data.SqlClient.SqlCommand System.Data.SqlClient.SqlTransaction System.Data.SqlClient.SqlParameterCollection System.Data.SqlClient.SqlClientFactory When using NuGet 3.x this package requires at least version 3.4.
System.Composition.TypedParts by: Microsoft
  • 1.417k total downloads
  • Latest version: 1.0.31
Provides some extension methods for the Managed Extensibility Framework. Commonly Used Types: System.Composition.CompositionContextExtensions System.Composition.Hosting.ContainerConfiguration When using NuGet 3.x this package requires at least version 3.4.
System.Composition.Convention by: Microsoft
  • 1.41k total downloads
  • Latest version: 1.0.31
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 When using NuGet 3.x this package requires at least version 3.4.