System.Runtime 4.3.1
Provides the fundamental primitives, classes and base classes that define commonly-used value and reference data types, events and event handlers, interfaces, attributes, and exceptions. This packages represents the core package, and provides the minimal set of types required to build a managed application.
Commonly Used Types:
System.Object
System.Exception
System.Int16
System.Int32
System.Int64
System.Enum
System.String
System.Char
System.Boolean
System.SByte
System.Byte
System.DateTime
System.DateTimeOffset
System.Single
System.Double
System.UInt16
System.UInt32
System.UInt64
System.IDisposable
System.Uri
When using NuGet 3.x this package requires at least version 3.4.
Showing the top 20 packages that depend on System.Runtime.
| Packages | Downloads |
|---|---|
|
Microsoft.Win32.Primitives
Provides common types for Win32-based libraries.
Commonly Used Types:
System.ComponentModel.Win32Exception
When using NuGet 3.x this package requires at least version 3.4.
|
31 |
|
runtime.any.System.Collections
Internal implementation package not meant for direct consumption. Please do not reference directly.
Provides classes that define generic collections, which allow developers to create strongly typed collections that provide better type safety and performance than non-generic strongly typed collections.
Commonly Used Types:
System.Collections.Generic.List<T>
System.Collections.Generic.Dictionary<TKey, TValue>
System.Collections.Generic.Queue<T>
System.Collections.Generic.Stack<T>
System.Collections.Generic.HashSet<T>
System.Collections.Generic.LinkedList<T>
System.Collections.Generic.EqualityComparer<T>
System.Collections.Generic.Comparer<T>
System.Collections.Generic.SortedDictionary<TKey, TValue>
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
runtime.unix.Microsoft.Win32.Primitives
Internal implementation package not meant for direct consumption. Please do not reference directly.
Provides common types for Win32-based libraries.
Commonly Used Types:
System.ComponentModel.Win32Exception
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
runtime.unix.System.IO.FileSystem
Internal implementation package not meant for direct consumption. Please do not reference directly.
Provides types that allow reading and writing to files and types that provide basic file and directory support.
Commonly Used Types:
System.IO.FileStream
System.IO.FileInfo
System.IO.DirectoryInfo
System.IO.FileSystemInfo
System.IO.File
System.IO.Directory
System.IO.SearchOption
System.IO.FileOptions
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
runtime.unix.System.Net.Primitives
Internal implementation package not meant for direct consumption. Please do not reference directly.
Provides common types for network-based libraries, including System.Net.IPAddress, System.Net.IPEndPoint, and System.Net.CookieContainer.
Commonly Used Types:
System.Net.HttpStatusCode
System.Net.Sockets.SocketError
System.Net.Cookie
System.Net.Sockets.SocketException
System.Net.IPEndPoint
System.Net.ICredentials
System.Net.NetworkCredential
System.Net.IPAddress
System.Net.CookieCollection
System.Net.CookieContainer
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
runtime.unix.System.Net.Sockets
Internal implementation package not meant for direct consumption. Please do not reference directly.
Provides classes such as Socket, TcpClient and UdpClient, which enable developers to send and receive data over the network.
Commonly Used Types:
System.Net.Sockets.Socket
System.Net.Sockets.SocketAsyncEventArgs
System.Net.Sockets.LingerOption
System.Net.Sockets.SocketAsyncOperation
System.Net.Sockets.ProtocolType
System.Net.Sockets.NetworkStream
System.Net.Sockets.TcpClient
System.Net.Sockets.SocketType
System.Net.Sockets.UdpClient
System.Net.Sockets.SocketShutdown
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
System.Buffers
Provides resource pooling of any type for performance-critical applications that allocate and deallocate objects frequently.
Commonly Used Types:
System.Buffers.ArrayPool<T>
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
System.Collections.Concurrent
Provides several thread-safe collection classes that should be used in place of the corresponding types in the System.Collections.NonGeneric and System.Collections packages whenever multiple threads are accessing the collection concurrently.
Commonly Used Types:
System.Collections.Concurrent.ConcurrentDictionary<TKey, TValue>
System.Collections.Concurrent.ConcurrentQueue<T>
System.Collections.Concurrent.ConcurrentBag<T>
System.Collections.Concurrent.BlockingCollection<T>
System.Collections.Concurrent.ConcurrentStack<T>
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
System.Diagnostics.Tools
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
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
System.Globalization
Provides classes that define culture-related information, including language, country/region, calendars in use, format patterns for dates, currency, and numbers, and sort order for strings.
Commonly Used Types:
System.Globalization.DateTimeFormatInfo
System.Globalization.CultureInfo
System.Globalization.NumberFormatInfo
System.Globalization.CalendarWeekRule
System.Globalization.TextInfo
System.Globalization.Calendar
System.Globalization.CompareInfo
System.Globalization.CompareOptions
System.Globalization.UnicodeCategory
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
System.Globalization.Extensions
Provides classes for performing Unicode string normalization, culture-specific string comparisons and support the use of non-ASCII characters for Internet domain names.
Commonly Used Types:
System.StringNormalizationExtensions
System.Text.NormalizationForm
System.Globalization.IdnMapping
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
System.Linq
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.
|
30 |
|
System.Net.Http
Provides a programming interface for modern HTTP applications, including HTTP client components that allow applications to consume web services over HTTP and HTTP components that can be used by both clients and servers for parsing HTTP headers.
Commonly Used Types:
System.Net.Http.HttpResponseMessage
System.Net.Http.DelegatingHandler
System.Net.Http.HttpRequestException
System.Net.Http.HttpClient
System.Net.Http.MultipartContent
System.Net.Http.Headers.HttpContentHeaders
System.Net.Http.HttpClientHandler
System.Net.Http.StreamContent
System.Net.Http.FormUrlEncodedContent
System.Net.Http.HttpMessageHandler
When using NuGet 3.x this package requires at least version 3.4.
|
31 |
|
System.Net.NameResolution
Provides the System.Net.Dns class, which enables developers to perform simple domain name resolution.
Commonly Used Types:
System.Net.Dns
System.Net.IPHostEntry
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
System.Reflection.Primitives
Provides common enumerations for reflection-based libraries.
Commonly Used Types:
System.Reflection.FieldAttributes
System.Reflection.Emit.OpCode
System.Reflection.TypeAttributes
System.Reflection.MethodAttributes
System.Reflection.CallingConventions
System.Reflection.PropertyAttributes
System.Reflection.EventAttributes
System.Reflection.ParameterAttributes
System.Reflection.GenericParameterAttributes
System.Reflection.MethodImplAttributes
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
System.Security.Cryptography.Cng
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
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
System.Security.Cryptography.Csp
Provides cryptographic algorithm implementations and key management with Windows Cryptographic API (CryptoAPI).
Commonly Used Types:
System.Security.Cryptography.RSACryptoServiceProvider
System.Security.Cryptography.CspParameters
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
System.Security.Principal
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.
|
30 |
|
System.Security.Principal.Windows
Provides classes for retrieving the current Windows user and for interacting with Windows users and groups.
Commonly Used Types:
System.Security.Principal.WindowsIdentity
System.Security.Principal.SecurityIdentifier
System.Security.Principal.NTAccount
System.Security.Principal.WindowsPrincipal
System.Security.Principal.IdentityReference
System.Security.Principal.IdentityNotMappedException
System.Security.Principal.WindowsBuiltInRole
System.Security.Principal.WellKnownSidType
When using NuGet 3.x this package requires at least version 3.4.
|
30 |
|
System.Threading.Tasks.Extensions
Provides additional types that simplify the work of writing concurrent and asynchronous code.
Commonly Used Types:
System.Threading.Tasks.ValueTask<TResult>
|
30 |
MonoAndroid 1.0
- No dependencies.
MonoTouch 1.0
- No dependencies.
.NET Framework 4.5
- No dependencies.
.NET Framework 4.6.2
- No dependencies.
.NETCore 5.0
- Microsoft.NETCore.Platforms (>= 1.1.1)
- Microsoft.NETCore.Targets (>= 1.1.3)
.NET Standard 1.0
- Microsoft.NETCore.Platforms (>= 1.1.1)
- Microsoft.NETCore.Targets (>= 1.1.3)
.NET Standard 1.2
- Microsoft.NETCore.Platforms (>= 1.1.1)
- Microsoft.NETCore.Targets (>= 1.1.3)
.NET Standard 1.3
- Microsoft.NETCore.Platforms (>= 1.1.1)
- Microsoft.NETCore.Targets (>= 1.1.3)
.NET Standard 1.5
- Microsoft.NETCore.Platforms (>= 1.1.1)
- Microsoft.NETCore.Targets (>= 1.1.3)
.NETPortable 0.0
- No dependencies.
Windows 8.0
- No dependencies.
WindowsPhone 8.0
- No dependencies.
WindowsPhoneApp 8.1
- No dependencies.
Xamarin.iOS 1.0
- No dependencies.
Xamarin.Mac 2.0
- No dependencies.
Xamarin.TVOS 1.0
- No dependencies.
Xamarin.WatchOS 1.0
- No dependencies.
| Version | Downloads | Last updated |
|---|---|---|
| 4.3.1 | 6 | 04/17/2026 |
| 4.3.0 | 29 | 04/16/2026 |
| 4.3.0-preview1-24530-04 | 5 | 04/17/2026 |
| 4.1.2 | 5 | 04/17/2026 |
| 4.1.1 | 5 | 04/17/2026 |
| 4.1.0 | 7 | 04/17/2026 |
| 4.1.0-rc2-24027 | 5 | 04/17/2026 |
| 4.0.21-beta-23516 | 5 | 04/17/2026 |
| 4.0.21-beta-23409 | 5 | 04/17/2026 |
| 4.0.21-beta-23225 | 5 | 04/17/2026 |
| 4.0.20 | 5 | 04/17/2026 |
| 4.0.20-beta-23109 | 5 | 04/17/2026 |
| 4.0.20-beta-23019 | 5 | 04/18/2026 |
| 4.0.20-beta-22816 | 5 | 04/17/2026 |
| 4.0.20-beta-22605 | 5 | 04/17/2026 |
| 4.0.20-beta-22416 | 5 | 04/17/2026 |
| 4.0.20-beta-22231 | 5 | 04/17/2026 |
| 4.0.10 | 5 | 04/17/2026 |
| 4.0.10-beta-23109 | 5 | 04/17/2026 |
| 4.0.10-beta-23019 | 5 | 04/17/2026 |
| 4.0.0 | 5 | 04/17/2026 |
| 4.0.0-beta-23109 | 5 | 04/17/2026 |
| 4.0.0-beta-23019 | 5 | 04/17/2026 |