System.IO 4.0.0-beta-23019
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.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.
|
7 |
|
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.
|
6 |
|
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
30ab651fcb4354552bd4891619a0bdd81e0ebdbf
When using NuGet 3.x this package requires at least version 3.4.
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5 |
|
System.Resources.Reader
Provides classes which read resources from streams in the system-default format.
Commonly Used Types:
System.Resources.ResourceReader
\r\n TFS ID: 1599443, GitHub SHA: https://github.com/dotnet/corefx/tree/eede273a4dfabcea608621f5e1bbf8ad00584cfb
|
3 |
|
System.Xml.ReaderWriter
Provides provides a fast, non-cached, forward-only way to read and write Extensible Markup Language (XML) data.
Commonly Used Types:
System.Xml.XmlNodeType
System.Xml.XmlException
System.Xml.XmlReader
System.Xml.XmlWriter
System.Xml.IXmlLineInfo
System.Xml.XmlNameTable
System.Xml.IXmlNamespaceResolver
System.Xml.XmlNamespaceManager
System.Xml.XmlQualifiedName
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3 |
|
System.Net.NetworkInformation
Provides access to network traffic data, network address information, and notification of address changes for the local computer.
Commonly Used Types:
System.Net.NetworkInformation.NetworkInterface
System.Net.NetworkInformation.NetworkInformationException
System.Net.NetworkInformation.NetworkAddressChangedEventHandler
System.Net.NetworkInformation.NetworkInterfaceType
System.Net.NetworkInformation.OperationalStatus
System.Net.NetworkInformation.IPGlobalProperties
System.Net.NetworkInformation.UnicastIPAddressInformation
System.Net.NetworkInformation.UnicastIPAddressInformationCollection
System.Net.NetworkInformation.PhysicalAddress
System.Net.NetworkInformation.TcpConnectionInformation
When using NuGet 3.x this package requires at least version 3.4.
|
3 |
|
System.Data.SqlClient
Provides the data provider for SQL Server. These classes provide access to versions of SQL Server and encapsulate database-specific protocols, including tabular data stream (TDS)
Commonly Used Types:
System.Data.SqlClient.SqlConnection
System.Data.SqlClient.SqlException
System.Data.SqlClient.SqlParameter
System.Data.SqlDbType
System.Data.SqlClient.SqlDataReader
System.Data.SqlClient.SqlCommand
System.Data.SqlClient.SqlTransaction
System.Data.SqlClient.SqlParameterCollection
System.Data.SqlClient.SqlClientFactory
When using NuGet 3.x this package requires at least version 3.4.
|
3 |
|
Microsoft.Data.SqlClient
Provides the data provider for SQL Server. These classes provide access to versions of SQL Server and encapsulate database-specific protocols, including tabular data stream (TDS)
Commonly Used Types:
Microsoft.Data.SqlClient.SqlConnection
Microsoft.Data.SqlClient.SqlException
Microsoft.Data.SqlClient.SqlParameter
Microsoft.Data.SqlClient.SqlDataReader
Microsoft.Data.SqlClient.SqlCommand
Microsoft.Data.SqlClient.SqlTransaction
Microsoft.Data.SqlClient.SqlParameterCollection
Microsoft.Data.SqlClient.SqlClientFactory
When using NuGet 3.x this package requires at least version 3.4.
|
3 |
|
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.
|
3 |
|
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
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3 |
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Serilog
Simple .NET logging with fully-structured events
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3 |
|
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.
|
3 |
|
Microsoft.Data.SqlClient
Provides the data provider for SQL Server. These classes provide access to versions of SQL Server and encapsulate database-specific protocols, including tabular data stream (TDS)
Commonly Used Types:
Microsoft.Data.SqlClient.SqlConnection
Microsoft.Data.SqlClient.SqlException
Microsoft.Data.SqlClient.SqlParameter
Microsoft.Data.SqlClient.SqlDataReader
Microsoft.Data.SqlClient.SqlCommand
Microsoft.Data.SqlClient.SqlTransaction
Microsoft.Data.SqlClient.SqlParameterCollection
Microsoft.Data.SqlClient.SqlClientFactory
When using NuGet 3.x this package requires at least version 3.4.
|
3 |
|
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.
|
3 |
|
Microsoft.Data.SqlClient
The current data provider for SQL Server and Azure SQL databases. This has replaced System.Data.SqlClient. These classes provide access to SQL and encapsulate database-specific protocols, including tabular data stream (TDS).
Commonly Used Types:
Microsoft.Data.SqlClient.SqlConnection
Microsoft.Data.SqlClient.SqlException
Microsoft.Data.SqlClient.SqlParameter
Microsoft.Data.SqlClient.SqlDataReader
Microsoft.Data.SqlClient.SqlCommand
Microsoft.Data.SqlClient.SqlTransaction
Microsoft.Data.SqlClient.SqlParameterCollection
Microsoft.Data.SqlClient.SqlClientFactory
When using NuGet 3.x this package requires at least version 3.4.
|
3 |
|
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
|
2 |
|
System.Reflection.Emit
Provides classes that allow a compiler or tool to emit metadata and optionally generate a PE file on disk. The primary clients of these classes are script engines and compilers.
Commonly Used Types:
System.Reflection.Emit.AssemblyBuilder
System.Reflection.Emit.FieldBuilder
System.Reflection.Emit.TypeBuilder
System.Reflection.Emit.MethodBuilder
System.Reflection.Emit.ConstructorBuilder
System.Reflection.Emit.GenericTypeParameterBuilder
System.Reflection.Emit.ModuleBuilder
System.Reflection.Emit.PropertyBuilder
System.Reflection.Emit.AssemblyBuilderAccess
System.Reflection.Emit.EventBuilder
When using NuGet 3.x this package requires at least version 3.4.
|
2 |
|
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.
|
2 |
|
Microsoft.EntityFrameworkCore.Design
Shared design-time components for Entity Framework Core tools.
|
2 |
|
System.Net.Sockets
Provides a managed implementation of the Windows Sockets (Winsock) interface for developers who need to tightly control access to the network.
|
2 |
.NETPlatform 5.0
- System.Runtime (>= 4.0.0-beta-23019)
- System.Text.Encoding (>= 4.0.0-beta-23019)
- System.Threading.Tasks (>= 4.0.0-beta-23019)
.NET Framework 4.5
- No dependencies.
Windows 8.0
- No dependencies.
.NETCore 5.0
- System.Runtime (>= 4.0.0-beta-23019)
- System.Text.Encoding (>= 4.0.0-beta-23019)
- System.Threading.Tasks (>= 4.0.0-beta-23019)
| Version | Downloads | Last updated |
|---|---|---|
| 4.3.0 | 5 | 09/02/2026 |
| 4.3.0-preview1-24530-04 | 1 | 09/03/2026 |
| 4.1.0 | 2 | 09/03/2026 |
| 4.1.0-rc2-24027 | 3 | 09/02/2026 |
| 4.0.11-beta-23516 | 1 | 09/03/2026 |
| 4.0.11-beta-23409 | 2 | 09/03/2026 |
| 4.0.11-beta-23225 | 1 | 09/03/2026 |
| 4.0.10 | 2 | 09/02/2026 |
| 4.0.10-beta-23109 | 1 | 09/03/2026 |
| 4.0.10-beta-23019 | 2 | 09/02/2026 |
| 4.0.10-beta-22816 | 2 | 09/02/2026 |
| 4.0.10-beta-22605 | 1 | 09/03/2026 |
| 4.0.10-beta-22416 | 2 | 09/03/2026 |
| 4.0.10-beta-22231 | 1 | 09/03/2026 |
| 4.0.0 | 1 | 09/03/2026 |
| 4.0.0-beta-23109 | 2 | 09/03/2026 |
| 4.0.0-beta-23019 | 1 | 09/03/2026 |