System.Configuration.ConfigurationManager by: Microsoft
  • 16.586k total downloads
  • Latest version: 4.5.0
Provides types that support using configuration files. Commonly Used Types: System.Configuration.Configuration System.Configuration.ConfigurationManager 30ab651fcb4354552bd4891619a0bdd81e0ebdbf When using NuGet 3.x this package requires at least version 3.4.
System.Data.Common by: Microsoft
  • 18.81k 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.Diagnostics.PerformanceCounter by: Microsoft
  • 27.266k total downloads
  • Latest version: 4.5.0
Provides the System.Diagnostics.PerformanceCounter class, which allows access to Windows performance counters. Commonly Used Types: System.Diagnostics.PerformanceCounter 30ab651fcb4354552bd4891619a0bdd81e0ebdbf When using NuGet 3.x this package requires at least version 3.4.
System.Diagnostics.StackTrace by: Microsoft
  • 4.519k total downloads
  • Latest version: 4.0.1
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
  • 14.19k total downloads
  • Latest version: 4.6.0-preview6.19303.8
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 When using NuGet 3.x this package requires at least version 3.4.
System.Interactive.Async by: .NET Foundation and Contributors
  • 1.958k total downloads
  • Latest version: 3.1.1
  • Ix Interactive Extensions Enumerable Asynchronous
Interactive Extensions (Ix) Async Library used to express queries over asynchronous enumerable sequences.
System.IO.Pipelines by: Microsoft
  • 26.904k total downloads
  • Latest version: 4.5.1
Single producer single consumer byte buffer management. Commonly Used Types: System.IO.Pipelines.Pipe System.IO.Pipelines.PipeWriter System.IO.Pipelines.PipeReader 96925bba1377b6042fc7322564b600a4e651f7fd When using NuGet 3.x this package requires at least version 3.4.
System.Memory by: Microsoft
  • 57.836k total downloads
  • Latest version: 4.5.3
Provides types for efficient representation and pooling of managed, stack, and native memory segments and sequences of such segments, along with primitives to parse and format UTF-8 encoded text stored in those memory segments. Commonly Used Types: System.Span System.ReadOnlySpan System.Memory System.ReadOnlyMemory System.Buffers.MemoryPool System.Buffers.ReadOnlySequence System.Buffers.Text.Utf8Parser System.Buffers.Text.Utf8Formatter c6cf790234e063b855fcdb50f3fb1b3cfac73275 When using NuGet 3.x this package requires at least version 3.4.
System.Net.WebHeaderCollection by: Microsoft
  • 1.893k total downloads
  • Latest version: 4.0.1
Contains types that represent HTTP request and response headers. This library is used with classes such as System.Net.HttpWebRequest and System.Net.HttpWebResponse and allows developers to query/edit header names/values. Commonly Used Types: System.Net.HttpRequestHeader System.Net.HttpResponseHeader System.Net.WebHeaderCollection When using NuGet 3.x this package requires at least version 3.4.
System.Numerics.Vectors by: Microsoft
  • 40.481k total downloads
  • Latest version: 4.4.0
Provides hardware-accelerated numeric types, suitable for high-performance processing and graphics applications. Commonly Used Types: System.Numerics.Matrix3x2 System.Numerics.Matrix4x4 System.Numerics.Plane System.Numerics.Quaternion System.Numerics.Vector2 System.Numerics.Vector3 System.Numerics.Vector4 System.Numerics.Vector System.Numerics.Vector<T> 8321c729934c0f8be754953439b88e6e1c120c24
System.Reflection.Metadata by: Microsoft
  • 4.216k total downloads
  • Latest version: 1.3.0
This packages provides a low-level .NET (ECMA-335) metadata reader. It's geared for performance and is the ideal choice for building higher-level libraries that intend to provide their own object model, such as compilers. Commonly Used Types: System.Reflection.Metadata.MetadataReader System.Reflection.PortableExecutable.PEReader
System.Runtime.CompilerServices.Unsafe by: Microsoft
  • 36.669k total downloads
  • Latest version: 4.5.2
Provides the System.Runtime.CompilerServices.Unsafe class, which provides generic, low-level functionality for manipulating pointers. Commonly Used Types: System.Runtime.CompilerServices.Unsafe 02b11eeee1fbc5f3ef43a1452fe07efd25fa1715 When using NuGet 3.x this package requires at least version 3.4.
System.Security.Claims by: Microsoft
  • 7.737k total downloads
  • Latest version: 4.0.1
Provides classes that implement claims-based identity in the .NET Framework, including classes that represent claims, claims-based identities, and claims-based principals. Commonly Used Types: System.Security.Principal.GenericIdentity System.Security.Claims.Claim System.Security.Claims.ClaimsIdentity System.Security.Claims.ClaimsPrincipal System.Security.Principal.GenericPrincipal When using NuGet 3.x this package requires at least version 3.4.
System.Security.Cryptography.Cng by: Microsoft
  • 23.622k total downloads
  • Latest version: 4.4.0
Provides cryptographic algorithm implementations and key management with Windows Cryptographic Next Generation API (CNG). Commonly Used Types: System.Security.Cryptography.RSACng System.Security.Cryptography.ECDsaCng System.Security.Cryptography.CngKey 8321c729934c0f8be754953439b88e6e1c120c24 When using NuGet 3.x this package requires at least version 3.4.
System.Security.Cryptography.Pkcs by: Microsoft
  • 14.981k total downloads
  • Latest version: 4.5.2
Provides support for PKCS and CMS algorithms. Commonly Used Types: System.Security.Cryptography.Pkcs.EnvelopedCms 99ce22c306b07f99ddae60f443d23a983ae78f7b When using NuGet 3.x this package requires at least version 3.4.
System.Security.Cryptography.ProtectedData by: Microsoft
  • 17.31k total downloads
  • Latest version: 4.5.0
Provides access to Windows Data Protection Api. Commonly Used Types: System.Security.Cryptography.DataProtectionScope System.Security.Cryptography.ProtectedData 30ab651fcb4354552bd4891619a0bdd81e0ebdbf When using NuGet 3.x this package requires at least version 3.4.
System.Security.Principal by: Microsoft
  • 7.586k total downloads
  • Latest version: 4.0.1
Provides the base interfaces for principal and identity objects that represents the security context under which code is running. Commonly Used Types: System.Security.Principal.IPrincipal System.Security.Principal.IIdentity System.Security.Principal.TokenImpersonationLevel When using NuGet 3.x this package requires at least version 3.4.
System.Text.Encoding.CodePages by: Microsoft
  • 6.296k total downloads
  • Latest version: 4.5.1
Provides support for code-page based encodings, including Windows-1252, Shift-JIS, and GB2312. Commonly Used Types: System.Text.CodePagesEncodingProvider 99ce22c306b07f99ddae60f443d23a983ae78f7b When using NuGet 3.x this package requires at least version 3.4.
System.Text.Encodings.Web by: Microsoft
  • 11.458k total downloads
  • Latest version: 4.4.0
Provides types for encoding and escaping strings for use in JavaScript, HyperText Markup Language (HTML), and uniform resource locators (URL). Commonly Used Types: System.Text.Encodings.Web.HtmlEncoder System.Text.Encodings.Web.UrlEncoder System.Text.Encodings.Web.JavaScriptEncoder 8321c729934c0f8be754953439b88e6e1c120c24 When using NuGet 3.x this package requires at least version 3.4.
System.Threading.Tasks.Extensions by: Microsoft
  • 46.473k total downloads
  • Latest version: 4.5.2
Provides additional types that simplify the work of writing concurrent and asynchronous code. Commonly Used Types: System.Threading.Tasks.ValueTask<TResult> 99ce22c306b07f99ddae60f443d23a983ae78f7b