System.Composition.TypedParts by: Microsoft
  • 338 total downloads
  • Latest version: 9.0.0
Provides container configuration and some extension methods for the Managed Extensibility Framework (MEF).
System.Configuration.ConfigurationManager by: Microsoft
  • 4.22k 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.Common by: Microsoft
  • 399 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
  • 755 total downloads
  • Latest version: 4.9.0
System.Data.SqlClient
System.Diagnostics.DiagnosticSource by: Microsoft
  • 12.663k 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.Diagnostics.EventLog by: Microsoft
  • 7.422k total downloads
  • Latest version: 10.0.2
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
  • 590 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
  • 5 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.TextWriterTraceListener by: Microsoft
  • 364 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.Drawing.Common by: Microsoft
  • 5.505k total downloads
  • Latest version: 9.0.0
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
  • 498 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
  • 2.286k total downloads
  • Latest version: 8.0.1
Provides classes that can read and write the ASN.1 BER, CER, and DER data formats. Commonly Used Types: System.Formats.Asn1.AsnReader System.Formats.Asn1.AsnWriter
System.IdentityModel.Tokens.Jwt by: Microsoft
  • 7.97k total downloads
  • Latest version: 8.15.0
  • .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.IO.Compression.ZipFile by: Microsoft
  • 2.136k 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.Primitives by: Microsoft
  • 2.467k 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.
System.IO.Hashing by: Microsoft
  • 347 total downloads
  • Latest version: 8.0.0
Provides non-cryptographic hash algorithms, such as CRC-32. Commonly Used Types: System.IO.Hashing.Crc32 System.IO.Hashing.XxHash32
System.IO.Packaging by: Microsoft
  • 1.784k total downloads
  • Latest version: 8.0.1
Provides classes that support storage of multiple data objects in a single container.
System.IO.Pipelines by: Microsoft
  • 3.557k total downloads
  • Latest version: 10.0.0-rc.1.25451.107
Single producer single consumer byte buffer management. Commonly Used Types: System.IO.Pipelines.Pipe System.IO.Pipelines.PipeWriter System.IO.Pipelines.PipeReader
System.Linq by: Microsoft
  • 2.262k total downloads
  • Latest version: 4.3.0
Provides classes and interfaces that supports queries that use Language-Integrated Query (LINQ). Commonly Used Types: System.Linq.Enumerable System.Linq.IGrouping<TKey, TElement> System.Linq.IOrderedEnumerable<TElement> System.Linq.ILookup<TKey, TElement> System.Linq.Lookup<TKey, TElement> When using NuGet 3.x this package requires at least version 3.4.
System.Linq.Expressions by: Microsoft
  • 2.229k total downloads
  • Latest version: 4.3.0
Provides classes, interfaces and enumerations that enable language-level code expressions to be represented as objects in the form of expression trees. Commonly Used Types: System.Linq.IQueryable<T> System.Linq.IQueryable System.Linq.Expressions.Expression<TDelegate> System.Linq.Expressions.Expression System.Linq.Expressions.ExpressionVisitor When using NuGet 3.x this package requires at least version 3.4.