System.Runtime 4.0.20-beta-23019
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
Showing the top 20 packages that depend on System.Runtime.
| Packages | Downloads |
|---|---|
|
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.
|
8 |
|
System.Text.Encoding
Provides base abstract encoding classes for converting blocks of characters to and from blocks of bytes.
Commonly Used Types:
System.Text.Encoding
System.Text.DecoderFallbackException
System.Text.Decoder
System.Text.EncoderFallbackException
System.Text.Encoder
System.Text.EncoderFallback
System.Text.EncoderFallbackBuffer
System.Text.DecoderFallback
System.Text.DecoderFallbackBuffer
System.Text.DecoderExceptionFallback
When using NuGet 3.x this package requires at least version 3.4.
|
7 |
|
System.IO
Provides base input and output (I/O) types, including System.IO.Stream, System.IO.StreamReader and System.IO.StreamWriter, that allow reading and writing to data streams
Commonly Used Types:
System.IO.Stream
System.IO.EndOfStreamException
System.IO.MemoryStream
System.IO.StreamReader
System.IO.StreamWriter
System.IO.StringWriter
System.IO.TextWriter
System.IO.TextReader
When using NuGet 3.x this package requires at least version 3.4.
|
6 |
|
System.Security.Cryptography.X509Certificates
Provides types for reading, exporting and verifying Authenticode X.509 v3 certificates. These certificates are signed with a private key that uniquely and positively identifies the holder of the certificate.
Commonly Used Types:
System.Security.Cryptography.X509Certificates.X509Certificate2
System.Security.Cryptography.X509Certificates.X509Certificate
System.Security.Cryptography.X509Certificates.X509ContentType
System.Security.Cryptography.X509Certificates.StoreLocation
System.Security.Cryptography.X509Certificates.StoreName
System.Security.Cryptography.X509Certificates.X509FindType
System.Security.Cryptography.X509Certificates.X509ChainStatus
System.Security.Cryptography.X509Certificates.X509Certificate2Collection
System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension
System.Security.Cryptography.X509Certificates.X509Chain
When using NuGet 3.x this package requires at least version 3.4.
|
6 |
|
System.Memory
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.
|
5 |
|
System.Threading
Provides the fundamental synchronization primitives, including System.Threading.Monitor and System.Threading.Mutex, that are required when writing asynchronous code.
Commonly Used Types:
System.Threading.Monitor
System.Threading.SynchronizationContext
System.Threading.ManualResetEvent
System.Threading.AutoResetEvent
System.Threading.ThreadLocal<T>
System.Threading.EventWaitHandle
System.Threading.SemaphoreSlim
System.Threading.Mutex
When using NuGet 3.x this package requires at least version 3.4.
|
5 |
|
System.Net.Sockets
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.
|
5 |
|
System.Net.WebHeaderCollection
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.
|
5 |
|
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>
7601f4f6225089ffb291dc7d58293c7bbf5c5d4f
When using NuGet 3.x this package requires at least version 3.4.
|
5 |
|
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>
7601f4f6225089ffb291dc7d58293c7bbf5c5d4f
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5 |
|
System.Runtime.InteropServices.RuntimeInformation
Provides APIs to query about runtime and OS information.
Commonly Used Types:
System.Runtime.InteropServices.RuntimeInformation
System.Runtime.InteropServices.OSPlatform
When using NuGet 3.x this package requires at least version 3.4.
|
5 |
|
System.Resources.ResourceManager
Provides classes and attributes that allow developers to create, store, and manage various culture-specific resources used in an application.
Commonly Used Types:
System.Resources.ResourceManager
System.Resources.NeutralResourcesLanguageAttribute
System.Resources.SatelliteContractVersionAttribute
System.Resources.MissingManifestResourceException
When using NuGet 3.x this package requires at least version 3.4.
|
5 |
|
System.IO.FileSystem.Primitives
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.
|
5 |
|
System.Security.Claims
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.
|
5 |
|
System.Threading.ThreadPool
Provides the System.Threading.ThreadPool class, which contains a pool of threads that can be used to execute tasks, post work items, wait on behalf of other threads, and process timers.
Commonly Used Types:
System.Threading.ThreadPool
System.Threading.WaitOrTimerCallback
When using NuGet 3.x this package requires at least version 3.4.
|
5 |
|
System.Threading.Overlapped
Provides common types for interacting with asynchronous (or overlapped) input and output (I/O).
Commonly Used Types:
System.Threading.NativeOverlapped
System.Threading.Overlapped
System.Threading.IOCompletionCallback
When using NuGet 3.x this package requires at least version 3.4.
|
5 |
|
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.
|
5 |
|
System.Security.Cryptography.Encoding
Provides types for representing Abstract Syntax Notation One (ASN.1)-encoded data.
Commonly Used Types:
System.Security.Cryptography.AsnEncodedData
System.Security.Cryptography.Oid
System.Security.Cryptography.OidCollection
When using NuGet 3.x this package requires at least version 3.4.
|
5 |
|
System.Collections
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.
|
5 |
|
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.
|
5 |
.NET Framework 4.6
- No dependencies.
DNXCore 5.0
- System.Private.Uri (>= 4.0.0-beta-23019)
.NETCore 5.0
- System.Private.Uri (>= 4.0.0-beta-23019)
| Version | Downloads | Last updated |
|---|---|---|
| 4.3.1 | 12 | 2026/1/23 |
| 4.3.0 | 5 | 2026/1/22 |
| 4.3.0-preview1-24530-04 | 2 | 2026/1/25 |
| 4.1.2 | 2 | 2026/1/23 |
| 4.1.1 | 2 | 2026/1/23 |
| 4.1.0 | 2 | 2026/1/23 |
| 4.1.0-rc2-24027 | 1 | 2026/3/28 |
| 4.0.21-beta-23516 | 2 | 2026/1/25 |
| 4.0.21-beta-23409 | 2 | 2026/1/25 |
| 4.0.21-beta-23225 | 2 | 2026/1/25 |
| 4.0.20 | 1 | 2026/3/27 |
| 4.0.20-beta-23109 | 2 | 2026/1/23 |
| 4.0.20-beta-23019 | 2 | 2026/1/25 |
| 4.0.20-beta-22816 | 2 | 2026/1/25 |
| 4.0.20-beta-22605 | 2 | 2026/1/25 |
| 4.0.20-beta-22416 | 2 | 2026/1/25 |
| 4.0.20-beta-22231 | 2 | 2026/1/25 |
| 4.0.10 | 1 | 2026/3/27 |
| 4.0.10-beta-23109 | 2 | 2026/1/25 |
| 4.0.10-beta-23019 | 2 | 2026/1/25 |
| 4.0.0 | 2 | 2026/1/23 |
| 4.0.0-beta-23109 | 2 | 2026/1/25 |
| 4.0.0-beta-23019 | 2 | 2026/1/25 |