System.Diagnostics.Debug by: Microsoft
  • 14,521k total downloads
  • Latest version: 4.3.0
Provides classes and attributes that allows basic interaction with a debugger. Commonly Used Types: System.Diagnostics.Debug System.Diagnostics.DebuggerStepThroughAttribute System.Diagnostics.Debugger System.Diagnostics.DebuggerDisplayAttribute System.Diagnostics.DebuggerBrowsableAttribute System.Diagnostics.DebuggerBrowsableState System.Diagnostics.DebuggerHiddenAttribute System.Diagnostics.DebuggerNonUserCodeAttribute System.Diagnostics.DebuggerTypeProxyAttribute When using NuGet 3.x this package requires at least version 3.4.
System.Diagnostics.DiagnosticSource by: Microsoft
  • 54,797k total downloads
  • Latest version: 10.0.3
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.ComponentModel.TypeConverter by: Microsoft
  • 6,848k 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.Console by: Microsoft
  • 6,979k total downloads
  • Latest version: 4.3.1
Provides the System.Console class, which represents the standard input, output and error streams for console applications. Commonly Used Types: System.Console System.ConsoleColor When using NuGet 3.x this package requires at least version 3.4.
System.ComponentModel.Primitives by: Microsoft
  • 6,915k 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.Configuration.ConfigurationManager by: Microsoft
  • 27,115k total downloads
  • Latest version: 10.0.5
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
  • 905 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.Data.SqlClient by: Microsoft
  • 864 total downloads
  • Latest version: 4.9.0
System.Data.SqlClient
System.Composition.Convention by: Microsoft
  • 3,061k total downloads
  • Latest version: 9.0.0
Provides types that support using Managed Extensibility Framework (MEF) with a convention-based configuration model.
System.Composition.AttributedModel by: Microsoft
  • 3,07k total downloads
  • Latest version: 9.0.0
Provides the foundational attributes that allow you to declare parts for composition, such as imports, exports, and metadata with the Managed Extensibility Framework (MEF).
System.Diagnostics.EventLog by: Microsoft
  • 13,452k total downloads
  • Latest version: 10.0.5
Provides the System.Diagnostics.EventLog class, which allows the applications to use the Windows event log service. Commonly Used Types: System.Diagnostics.EventLog
System.Composition.Hosting by: Microsoft
  • 3,122k total downloads
  • Latest version: 9.0.0
Provides Managed Extensibility Framework (MEF) types that are useful to developers of extensible applications, or hosts.
System.Composition.Runtime by: Microsoft
  • 3,106k total downloads
  • Latest version: 9.0.0
Contains runtime components of the Managed Extensibility Framework (MEF).
System.Composition by: Microsoft
  • 2,977k total downloads
  • Latest version: 9.0.0
Provides a version of the Managed Extensibility Framework (MEF) that is lightweight and specifically optimized for high throughput scenarios, such as the web.
System.Composition.TypedParts by: Microsoft
  • 3,055k total downloads
  • Latest version: 9.0.0
Provides container configuration and some extension methods for the Managed Extensibility Framework (MEF).
System.Diagnostics.Contracts by: Microsoft
  • 844 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.ComponentModel.Composition by: Microsoft
  • 4 total downloads
  • Latest version: 9.0.6
This namespace provides classes that constitute the core of the Managed Extensibility Framework, or MEF. Commonly Used Types: System.ComponentModel.Composition.ChangeRejectedException System.ComponentModel.Composition.CompositionContractMismatchException System.ComponentModel.Composition.CompositionError System.ComponentModel.Composition.CompositionException System.ComponentModel.Composition.ExportAttribute System.ComponentModel.Composition.ImportAttribute System.ComponentModel.Composition.ImportCardinalityMismatchException System.ComponentModel.Composition.Hosting.AggregateCatalog System.ComponentModel.Composition.Hosting.ApplicationCatalog System.ComponentModel.Composition.Hosting.AssemblyCatalog System.ComponentModel.Composition.Hosting.CompositionContainer System.ComponentModel.Composition.Primitives.ComposablePartException System.ComponentModel.Composition.Primitives.ExportDefinition System.ComponentModel.Composition.Primitives.ImportDefinition System.ComponentModel.Composition.ReflectionModel.ReflectionModelServices
System.Data.OleDb by: Microsoft
  • 3 total downloads
  • Latest version: 10.0.3
Provides a collection of classes for OLEDB. Commonly Used Types: System.Data.OleDb.OleDbCommand System.Data.OleDb.OleDbCommandBuilder System.Data.OleDb.OleDbConnection System.Data.OleDb.OleDbDataAdapter System.Data.OleDb.OleDbDataReader System.Data.OleDb.OleDbParameter System.Data.OleDb.OleDbParameterCollection System.Data.OleDb.OleDbTransaction
System.Data.Odbc by: Microsoft
  • 4 total downloads
  • Latest version: 9.0.6
Provides a collection of classes used to access an ODBC data source in the managed space Commonly Used Types: System.Data.Odbc.OdbcCommand System.Data.Odbc.OdbcConnection System.Data.Odbc.OdbcDataReader System.Data.Odbc.OdbcDataAdapter System.Data.Odbc.OdbcParameter System.Data.Odbc.OdbcParameterCollection System.Data.Odbc.OdbcTransaction
System.Data.Common by: Microsoft
  • 2 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.