System.Collections 4.3.0
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.
Showing the top 20 packages that depend on System.Collections.
| Packages | Downloads |
|---|---|
|
NETStandard.Library
A set of standard .NET APIs that are prescribed to be used and supported together. This includes all of the APIs in the NETStandard.Platform package plus additional libraries that are core to .NET but built on top of NETStandard.Platform.
When using NuGet 3.x this package requires at least version 3.4.
|
306 |
|
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.
|
306 |
|
System.AppContext
Provides the System.AppContext class, which allows access to the BaseDirectory property and other application specific data.
Commonly Used Types:
System.AppContext
When using NuGet 3.x this package requires at least version 3.4.
|
306 |
|
System.Xml.XDocument
Provides the classes for Language-Integrated Query (LINQ) to Extensible Markup Language (XML). LINQ to XML is an in-memory XML programming interface that enables you to modify XML documents efficiently and easily.
Commonly Used Types:
System.Xml.Linq.XElement
System.Xml.Linq.XAttribute
System.Xml.Linq.XDocument
System.Xml.Linq.XText
System.Xml.Linq.XNode
System.Xml.Linq.XContainer
System.Xml.Linq.XComment
System.Xml.Linq.XObject
System.Xml.Linq.XProcessingInstruction
System.Xml.Linq.XDocumentType
When using NuGet 3.x this package requires at least version 3.4.
|
306 |
|
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.
|
306 |
|
System.Text.RegularExpressions
Provides the System.Text.RegularExpressions.Regex class, an implementation of a regular expression engine.
Commonly Used Types:
System.Text.RegularExpressions.Regex
System.Text.RegularExpressions.RegexOptions
System.Text.RegularExpressions.Match
System.Text.RegularExpressions.Group
System.Text.RegularExpressions.Capture
System.Text.RegularExpressions.MatchEvaluator
When using NuGet 3.x this package requires at least version 3.4.
|
305 |
|
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.
|
305 |
|
System.Linq.Expressions
Provides classes, interfaces and enumerations that enable language-level code expressions to be represented as objects in the form of expression trees.
Commonly Used Types:
System.Linq.IQueryable<T>
System.Linq.IQueryable
System.Linq.Expressions.Expression<TDelegate>
System.Linq.Expressions.Expression
System.Linq.Expressions.ExpressionVisitor
When using NuGet 3.x this package requires at least version 3.4.
|
305 |
|
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
When using NuGet 3.x this package requires at least version 3.4.
|
305 |
|
System.ObjectModel
Provides types and interfaces that allow the creation of observable types that provide notifications to clients when changes are made to it.
Commonly Used Types:
System.ComponentModel.INotifyPropertyChanged
System.Collections.ObjectModel.ObservableCollection<T>
System.ComponentModel.PropertyChangedEventHandler
System.Windows.Input.ICommand
System.Collections.Specialized.INotifyCollectionChanged
System.Collections.Specialized.NotifyCollectionChangedEventArgs
System.Collections.Specialized.NotifyCollectionChangedEventHandler
System.Collections.ObjectModel.KeyedCollection<TKey, TItem>
System.ComponentModel.PropertyChangedEventArgs
System.Collections.ObjectModel.ReadOnlyDictionary<TKey, TValue>
When using NuGet 3.x this package requires at least version 3.4.
|
305 |
|
System.IO.Compression
Provides classes that support the compression and decompression of streams.
Commonly Used Types:
System.IO.Compression.DeflateStream
System.IO.Compression.GZipStream
System.IO.Compression.CompressionMode
System.IO.Compression.CompressionLevel
System.IO.Compression.ZipArchiveEntry
System.IO.Compression.ZipArchive
System.IO.Compression.ZipArchiveMode
When using NuGet 3.x this package requires at least version 3.4.
|
305 |
|
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.
|
305 |
|
System.Diagnostics.DiagnosticSource
Provides Classes that allow you to decouple code logging rich (unserializable) diagnostics/telemetry (e.g. framework) from code that consumes it (e.g. tools)
Commonly Used Types:
System.Diagnostics.DiagnosticListener
System.Diagnostics.DiagnosticSource
|
305 |
|
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.
|
305 |
|
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.
|
304 |
|
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.
|
304 |
|
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>
|
303 |
|
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.
|
277 |
|
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.
|
277 |
|
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.
|
277 |
MonoAndroid 1.0
- No dependencies.
MonoTouch 1.0
- No dependencies.
.NET Framework 4.5
- No dependencies.
.NETCore 5.0
- Microsoft.NETCore.Platforms (>= 1.1.0)
- Microsoft.NETCore.Targets (>= 1.1.0)
- System.Runtime (>= 4.3.0)
.NET Standard 1.0
- Microsoft.NETCore.Platforms (>= 1.1.0)
- Microsoft.NETCore.Targets (>= 1.1.0)
- System.Runtime (>= 4.3.0)
.NET Standard 1.3
- Microsoft.NETCore.Platforms (>= 1.1.0)
- Microsoft.NETCore.Targets (>= 1.1.0)
- System.Runtime (>= 4.3.0)
.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 |
|---|---|---|
| 4.3.0 | 304 | 09/16/2025 |
| 4.3.0-preview1-24530-04 | 0 | 10/24/2016 |
| 4.0.11 | 25 | 10/02/2025 |
| 4.0.11-rc2-24027 | 0 | 05/16/2016 |
| 4.0.11-beta-23516 | 0 | 11/18/2015 |
| 4.0.11-beta-23409 | 0 | 10/15/2015 |
| 4.0.11-beta-23225 | 0 | 09/01/2015 |
| 4.0.10 | 0 | 07/29/2015 |
| 4.0.10-beta-23109 | 0 | 07/27/2015 |
| 4.0.10-beta-23019 | 0 | 06/30/2015 |
| 4.0.10-beta-22816 | 0 | 04/24/2015 |
| 4.0.10-beta-22605 | 0 | 02/13/2015 |
| 4.0.10-beta-22416 | 0 | 01/16/2015 |
| 4.0.10-beta-22231 | 0 | 11/11/2014 |
| 4.0.0 | 0 | 07/29/2015 |
| 4.0.0-beta-23109 | 0 | 07/27/2015 |
| 4.0.0-beta-23019 | 0 | 06/30/2015 |