System.Composition.Hosting by: Microsoft
  • 3.359k total downloads
  • Latest version: 10.0.0-preview.3.25171.5
Provides Managed Extensibility Framework (MEF) types that are useful to developers of extensible applications, or hosts.
System.Composition.Runtime by: Microsoft
  • 3.505k total downloads
  • Latest version: 10.0.0-preview.3.25171.5
Contains runtime components of the Managed Extensibility Framework (MEF).
System.Composition.TypedParts by: Microsoft
  • 3.191k total downloads
  • Latest version: 10.0.0-preview.3.25171.5
Provides container configuration and some extension methods for the Managed Extensibility Framework (MEF).
System.Configuration.ConfigurationManager by: Microsoft
  • 3.822k total downloads
  • Latest version: 10.0.0-preview.3.25171.5
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.Console by: Microsoft
  • 249 total downloads
  • Latest version: 4.0.0-beta-22816
Provides the System.Console class, which represents the standard input, output and error streams for console applications. Commonly Used Types: System.Console System.ConsoleColor
System.Data.Common by: Microsoft
  • 588 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.Data.SqlClient by: Microsoft
  • 2.379k total downloads
  • Latest version: 4.9.0
System.Data.SqlClient
System.Diagnostics.Contracts by: Microsoft
  • 505 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.Diagnostics.Debug by: Microsoft
  • 283 total downloads
  • Latest version: 4.0.10-beta-22816
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
System.Diagnostics.DiagnosticSource by: Microsoft
  • 4.541k total downloads
  • Latest version: 10.0.0-preview.3.25171.5
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
  • 4.317k total downloads
  • Latest version: 10.0.0-preview.3.25171.5
Provides the System.Diagnostics.EventLog class, which allows the applications to use the Windows event log service. Commonly Used Types: System.Diagnostics.EventLog
System.Diagnostics.FileVersionInfo by: Microsoft
  • 240 total downloads
  • Latest version: 4.0.0-beta-22816
Provides the System.Diagnostics.FileVersionInfo class, which allows access to Win32 version resource information for a physical file on disk. Commonly Used Types: System.Diagnostics.FileVersionInfo
System.Diagnostics.Process by: Microsoft
  • 301 total downloads
  • Latest version: 4.0.0-beta-22816
Provides the System.Diagnostics.Process class, which allows interaction with local and remote processes. Commonly Used Types: System.Diagnostics.Process System.Diagnostics.ProcessModule System.Diagnostics.ProcessStartInfo System.Diagnostics.ProcessThread
System.Diagnostics.StackTrace by: Microsoft
  • 338 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.Diagnostics.Tools by: Microsoft
  • 259 total downloads
  • Latest version: 4.0.0-beta-22816
Provides attributes, such as GeneratedCodeAttribute and SuppresMessageAttribute, that are emitted or consumed by analysis tools. Commonly Used Types: System.CodeDom.Compiler.GeneratedCodeAttribute System.Diagnostics.CodeAnalysis.SuppressMessageAttribute
System.Diagnostics.TraceSource by: Microsoft
  • 270 total downloads
  • Latest version: 4.0.0-beta-22816
Provides classes that help you trace the execution of your code. Developers should prefer the classes in the ETW-based System.Diagnostics.Tracing package. Commonly Used Types: System.Diagnostics.TraceListener System.Diagnostics.TraceLevel System.Diagnostics.TraceSource System.Diagnostics.TraceEventType System.Diagnostics.DefaultTraceListener System.Diagnostics.Trace
System.Diagnostics.Tracing by: Microsoft
  • 285 total downloads
  • Latest version: 4.0.20-beta-22816
Provides class that enable you to create high performance tracing events to be captured by event tracing for Windows (ETW). Commonly Used Types: System.Diagnostics.Tracing.EventSource System.Diagnostics.Tracing.EventListener System.Diagnostics.Tracing.EventLevel System.Diagnostics.Tracing.EventKeywords System.Diagnostics.Tracing.EventWrittenEventArgs System.Diagnostics.Tracing.EventAttribute System.Diagnostics.Tracing.EventSourceAttribute System.Diagnostics.Tracing.NonEventAttribute
System.Drawing.Common by: Microsoft
  • 4.71k total downloads
  • Latest version: 10.0.0-preview.3.25173.2
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
  • 535 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
  • 2.592k total downloads
  • Latest version: 10.0.0-preview.3.25171.5
Provides classes that can read and write the ASN.1 BER, CER, and DER data formats.