System.IO 4.0.10-beta-22816
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.IOException
System.IO.EndOfStreamException
System.IO.FileNotFoundException
System.IO.MemoryStream
System.IO.StreamReader
System.IO.StreamWriter
System.IO.StringWriter
System.IO.TextWriter
System.IO.TextReader
Showing the top 20 packages that depend on System.IO.
| Packages | Downloads |
|---|---|
|
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.
|
103 |
|
System.Xml.XPath.XmlDocument
Provides extension methods that add System.Xml.XPath support to the System.Xml.XmlDocument package.
Commonly Used Types:
System.Xml.XPath.XmlDocumentExtensions
When using NuGet 3.x this package requires at least version 3.4.
|
64 |
|
System.Xml.XmlDocument
Provides an older in-memory Extensible Markup Language (XML) programming interface that enables you to modify XML documents. Developers should prefer the classes in the System.Xml.XDocument package.
Commonly Used Types:
System.Xml.XmlNode
System.Xml.XmlElement
System.Xml.XmlAttribute
System.Xml.XmlDocument
System.Xml.XmlDeclaration
System.Xml.XmlText
System.Xml.XmlComment
System.Xml.XmlNodeList
System.Xml.XmlWhitespace
System.Xml.XmlCDataSection
When using NuGet 3.x this package requires at least version 3.4.
|
54 |
|
Microsoft.DotNet.PlatformAbstractions
Abstractions for making code that uses file system and environment testable.
|
47 |
|
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.
|
39 |
|
System.Security.Cryptography.Primitives
Provides common types for the cryptographic libraries.
Commonly Used Types:
System.Security.Cryptography.ICryptoTransform
System.Security.Cryptography.AsymmetricAlgorithm
System.Security.Cryptography.SymmetricAlgorithm
System.Security.Cryptography.HashAlgorithm
System.Security.Cryptography.KeyedHashAlgorithm
System.Security.Cryptography.HMAC
System.Security.Cryptography.KeySizes
System.Security.Cryptography.CryptographicException
System.Security.Cryptography.CipherMode
System.Security.Cryptography.PaddingMode
System.Security.Cryptography.CryptoStream
System.Security.Cryptography.CryptoStreamMode
When using NuGet 3.x this package requires at least version 3.4.
|
37 |
|
System.Data.Common
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.
|
35 |
|
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.
|
28 |
|
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.
|
28 |
|
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.
|
27 |
|
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.
|
25 |
|
Newtonsoft.Json
Json.NET is a popular high-performance JSON framework for .NET
|
24 |
|
System.Security.Cryptography.Algorithms
Provides base types for cryptographic algorithms, including hashing, encryption, and signing operations.
Commonly Used Types:
System.Security.Cryptography.Aes
System.Security.Cryptography.RSA
System.Security.Cryptography.RSAParameters
System.Security.Cryptography.HMACSHA1
System.Security.Cryptography.SHA256
System.Security.Cryptography.SHA1
System.Security.Cryptography.SHA512
System.Security.Cryptography.SHA384
System.Security.Cryptography.HMACSHA256
System.Security.Cryptography.MD5
System.Security.Cryptography.HMACSHA384
System.Security.Cryptography.HMACSHA512
When using NuGet 3.x this package requires at least version 3.4.
|
23 |
|
System.IO.Compression.ZipFile
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.
|
22 |
|
System.IO.FileSystem
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.
|
19 |
|
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.
|
17 |
|
System.Security.Cryptography.OpenSsl
Provides cryptographic algorithm implementations and key management for non-Windows systems with OpenSSL.
Commonly Used Types:
System.Security.Cryptography.RSAOpenSsl
When using NuGet 3.x this package requires at least version 3.4.
|
16 |
|
System.Diagnostics.Process
Provides the System.Diagnostics.Process class, which allows interaction with local and remote processes.
Commonly Used Types:
System.Diagnostics.Process
System.Diagnostics.ProcessModule
System.Diagnostics.ProcessStartInfo
System.Diagnostics.ProcessThread
When using NuGet 3.x this package requires at least version 3.4.
|
15 |
|
System.Xml.XPath
Provides the classes that define a cursor model for navigating and editing Extensible Markup Language (XML) information items as instances of the XQuery 1.0 and XPath 2.0 Data Model.
Commonly Used Types:
System.Xml.XPath.XPathNavigator
System.Xml.XPath.IXPathNavigable
System.Xml.XPath.XPathNodeType
System.Xml.XPath.XPathNodeIterator
System.Xml.XPath.XPathExpression
System.Xml.XPath.XPathResultType
System.Xml.XPath.XPathException
System.Xml.XPath.XPathDocument
System.Xml.XPath.XPathItem
System.Xml.XPath.XPathNamespaceScope
When using NuGet 3.x this package requires at least version 3.4.
|
11 |
|
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.
|
11 |
Any 0.0
- System.Runtime (>= 4.0.20-beta-22816)
- System.Text.Encoding (>= 4.0.10-beta-22816)
- System.Threading.Tasks (>= 4.0.10-beta-22816)
| Version | Downloads | Last updated |
|---|---|---|
| 4.3.0 | 18 | 10/30/2025 |
| 4.3.0-preview1-24530-04 | 3 | 11/07/2025 |
| 4.1.0 | 4 | 10/28/2025 |
| 4.1.0-rc2-24027 | 3 | 11/07/2025 |
| 4.0.11-beta-23516 | 3 | 11/07/2025 |
| 4.0.11-beta-23409 | 3 | 11/07/2025 |
| 4.0.11-beta-23225 | 3 | 11/07/2025 |
| 4.0.10 | 3 | 11/07/2025 |
| 4.0.10-beta-23109 | 3 | 11/07/2025 |
| 4.0.10-beta-23019 | 3 | 11/07/2025 |
| 4.0.10-beta-22816 | 3 | 11/07/2025 |
| 4.0.10-beta-22605 | 3 | 11/07/2025 |
| 4.0.10-beta-22416 | 3 | 11/07/2025 |
| 4.0.10-beta-22231 | 3 | 11/08/2025 |
| 4.0.0 | 3 | 11/07/2025 |
| 4.0.0-beta-23109 | 3 | 11/08/2025 |
| 4.0.0-beta-23019 | 3 | 11/08/2025 |