System.IO 4.3.0
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.
Showing the top 20 packages that depend on System.IO.
| Packages | Downloads |
|---|---|
|
NETStandard.Library
A set of standard .NET APIs that are prescribed to be used and supported together.
18a36291e48808fa7ef2d00a764ceb1ec95645a5
When using NuGet 3.x this package requires at least version 3.4.
|
12 |
|
System.Reflection
Provides types that retrieve information about assemblies, modules, members, parameters, and other entities in managed code by examining their metadata. These types also can be used to manipulate instances of loaded types, for example to hook up events or to invoke methods.
Commonly Used Types:
System.Reflection.MethodInfo
System.Reflection.PropertyInfo
System.Reflection.ParameterInfo
System.Reflection.FieldInfo
System.Reflection.ConstructorInfo
System.Reflection.Assembly
System.Reflection.MemberInfo
System.Reflection.EventInfo
System.Reflection.Module
When using NuGet 3.x this package requires at least version 3.4.
|
10 |
|
System.Net.Requests
Provides older classes (such as HttpWebRequest and HttpWebResponse) for sending HTTP requests and receiving HTTP responses from a resource identified by a URI. Developers should prefer the classes in the System.Net.Http package.
Commonly Used Types:
System.Net.HttpWebRequest
System.Net.HttpWebResponse
System.Net.HttpRequestHeader
System.Net.WebException
System.Net.WebExceptionStatus
System.Net.WebRequest
System.Net.WebResponse
When using NuGet 3.x this package requires at least version 3.4.
|
9 |
|
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.
|
9 |
|
System.Resources.Reader
Provides classes which read resources from streams in the system-default format.
Commonly Used Types:
System.Resources.ResourceReader
When using NuGet 3.x this package requires at least version 3.4.
|
8 |
|
System.Runtime.Loader
Provides the System.Runtime.Loader.AssemblyLoadContext class, which provides members for loading assemblies.
Commonly Used Types:
System.Runtime.Loader.AssemblyLoadContext
When using NuGet 3.x this package requires at least version 3.4.
|
8 |
|
System.Runtime.Serialization.Json
Provides classes for serializing objects to the JavaScript Object Notation (JSON) and deserializing JSON data to objects.
Commonly Used Types:
System.Runtime.Serialization.Json.DataContractJsonSerializer
- 1548494
|
8 |
|
System.Net.Security
Provides types, such as System.Net.Security.SslStream, that uses SSL/TLS protocols to provide secure network communication between client and server endpoints.
Commonly Used Types:
System.Net.Security.SslStream
System.Net.Security.ExtendedProtectionPolicy
When using NuGet 3.x this package requires at least version 3.4.
|
8 |
|
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.
|
8 |
|
System.Net.Http
Provides classes for sending HTTP requests and receiving HTTP responses from a resource identified by a URI.
|
8 |
|
System.Net.Sockets
Provides a managed implementation of the Windows Sockets (Winsock) interface for developers who need to tightly control access to 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
|
8 |
|
System.Net.Requests
Provides older classes for sending HTTP requests and receiving HTTP responses from a resource identified by a URI. Developers should prefer the classes in the System.Net.Http package.
Commonly Used Types:
System.Net.HttpWebRequest
System.Net.HttpWebResponse
System.Net.HttpRequestHeader
System.Net.WebException
System.Net.WebExceptionStatus
System.Net.WebRequest
System.Net.WebResponse
|
8 |
|
System.Net.Security
Provides types, such as System.Net.Security.SslStream, that enable secure network communication between applications and hosts.
Commonly Used Types:
System.Net.Security.SslStream
System.Net.Security.ExtendedProtectionPolicy
|
8 |
|
System.Runtime.Serialization.Xml
Provides classes for serializing objects to the Extensible Markup Language (XML) and deserializing XML data to objects.
Commonly Used Types:
System.Runtime.Serialization.DataContractSerializer
System.Runtime.Serialization.XmlObjectSerializer
System.Runtime.Serialization.InvalidDataContractException
System.Xml.XmlDictionaryReader
System.Xml.XmlDictionaryWriter
System.Xml.XmlDictionaryString
System.Xml.UniqueId
System.Xml.XmlDictionaryReaderQuotas
System.Runtime.Serialization.DataContractResolver
System.Xml.IXmlDictionary
When using NuGet 3.x this package requires at least version 3.4.
|
8 |
|
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
|
8 |
|
System.Net.Http
Provides modern classes for sending HTTP requests and receiving HTTP responses from a resource identified by a URI.
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
|
8 |
|
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.
|
8 |
https://go.microsoft.com/fwlink/?LinkID=799421
MonoAndroid 1.0
- No dependencies.
Xamarin.WatchOS 1.0
- No dependencies.
Xamarin.TVOS 1.0
- No dependencies.
Xamarin.Mac 2.0
- No dependencies.
Xamarin.iOS 1.0
- No dependencies.
WindowsPhoneApp 8.1
- No dependencies.
WindowsPhone 8.0
- No dependencies.
Windows 8.0
- No dependencies.
.NETPortable 0.0
- No dependencies.
.NET Standard 1.5
- System.Threading.Tasks (>= 4.3.0)
- System.Runtime (>= 4.3.0)
- Microsoft.NETCore.Targets (>= 1.1.0)
- Microsoft.NETCore.Platforms (>= 1.1.0)
- System.Text.Encoding (>= 4.3.0)
.NET Standard 1.3
- System.Threading.Tasks (>= 4.3.0)
- System.Text.Encoding (>= 4.3.0)
- System.Runtime (>= 4.3.0)
- Microsoft.NETCore.Platforms (>= 1.1.0)
- Microsoft.NETCore.Targets (>= 1.1.0)
MonoTouch 1.0
- No dependencies.
.NET Framework 4.6.2
- No dependencies.
.NETCore 5.0
- Microsoft.NETCore.Platforms (>= 1.1.0)
- Microsoft.NETCore.Targets (>= 1.1.0)
- System.Runtime (>= 4.3.0)
- System.Text.Encoding (>= 4.3.0)
- System.Threading.Tasks (>= 4.3.0)
.NET Framework 4.5
- No dependencies.
.NET Standard 1.0
- Microsoft.NETCore.Platforms (>= 1.1.0)
- Microsoft.NETCore.Targets (>= 1.1.0)
- System.Runtime (>= 4.3.0)
- System.Text.Encoding (>= 4.3.0)
- System.Threading.Tasks (>= 4.3.0)
| Version | Downloads | Last updated |
|---|---|---|
| 4.3.0 | 6 | 06/24/2025 |
| 4.3.0-preview1-24530-04 | 6 | 06/24/2025 |
| 4.1.0 | 6 | 06/24/2025 |
| 4.1.0-rc2-24027 | 6 | 06/24/2025 |
| 4.0.11-beta-23516 | 6 | 06/24/2025 |
| 4.0.11-beta-23409 | 6 | 06/24/2025 |
| 4.0.11-beta-23225 | 6 | 06/24/2025 |
| 4.0.10 | 6 | 06/24/2025 |
| 4.0.10-beta-23109 | 6 | 06/24/2025 |
| 4.0.10-beta-23019 | 6 | 06/24/2025 |
| 4.0.10-beta-22816 | 7 | 06/24/2025 |
| 4.0.10-beta-22605 | 6 | 06/24/2025 |
| 4.0.10-beta-22416 | 6 | 06/24/2025 |
| 4.0.10-beta-22231 | 7 | 06/24/2025 |
| 4.0.0 | 6 | 06/24/2025 |
| 4.0.0-beta-23109 | 5 | 07/09/2025 |
| 4.0.0-beta-23019 | 5 | 08/03/2025 |