System.Composition.Hosting by: Microsoft
  • 2.023k total downloads
  • Latest version: 10.0.5
Provides Managed Extensibility Framework (MEF) types that are useful to developers of extensible applications, or hosts.
System.Composition.Runtime by: Microsoft
  • 2.133k total downloads
  • Latest version: 10.0.5
Contains runtime components of the Managed Extensibility Framework (MEF).
System.Composition.TypedParts by: Microsoft
  • 2.041k total downloads
  • Latest version: 10.0.5
Provides container configuration and some extension methods for the Managed Extensibility Framework (MEF).
System.Configuration.ConfigurationManager by: Microsoft
  • 2.251k 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.Common by: Microsoft
  • 344 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
  • 2.14k total downloads
  • Latest version: 4.9.1
DEPRECATED - Use Microsoft.Data.SqlClient.
System.Diagnostics.Contracts by: Microsoft
  • 289 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.DiagnosticSource by: Microsoft
  • 3.029k total downloads
  • Latest version: 10.0.5
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
  • 2.041k 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.Diagnostics.StackTrace by: Microsoft
  • 354 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.Drawing.Common by: Microsoft
  • 4.962k total downloads
  • Latest version: 10.0.5
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
  • 310 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
  • 1.964k total downloads
  • Latest version: 10.0.5
Provides classes that can read and write the ASN.1 BER, CER, and DER data formats.
System.Formats.Nrbf by: Microsoft
  • 925 total downloads
  • Latest version: 10.0.5
Provides a safe reader for .NET Remoting Binary Format (NRBF) payloads.
System.IdentityModel.Tokens.Jwt by: Microsoft
  • 11.361k total downloads
  • Latest version: 8.16.0
  • .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.Interactive.Async by: .NET Foundation and Contributors
  • 1.308k total downloads
  • Latest version: 7.0.0
  • Ix Interactive Extensions Enumerable Asynchronous
Interactive Extensions Async Library used to express queries over asynchronous enumerable sequences.
System.IO.Abstractions by: Tatham Oddie & friends
  • 4.787k total downloads
  • Latest version: 22.1.0
  • testing
A set of abstractions to help make file system interactions testable.
System.IO.Compression.ZipFile by: Microsoft
  • 322 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
  • 636 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
  • 336 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.