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.
18a36291e48808fa7ef2d00a764ceb1ec95645a5
When using NuGet 3.x this package requires at least version 3.4.
|
340 |
|
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
|
340 |
|
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.
|
334 |
|
Microsoft.DotNet.PlatformAbstractions
Abstractions for making code that uses file system and environment testable.
|
303 |
|
System.Text.Encoding.CodePages
Provides support for code-page based encodings, including Windows-1252, Shift-JIS, and GB2312.
Commonly Used Types:
System.Text.CodePagesEncodingProvider
When using NuGet 3.x this package requires at least version 3.4.
|
165 |
|
Microsoft.Win32.Registry
Provides support for accessing and modifying the Windows Registry.
Commonly Used Types:
Microsoft.Win32.RegistryKey
Microsoft.Win32.Registry
Microsoft.Win32.RegistryValueKind
Microsoft.Win32.RegistryHive
Microsoft.Win32.RegistryView
When using NuGet 3.x this package requires at least version 3.4.
|
141 |
|
System.Text.Encoding.CodePages
Provides support for code-page based encodings, including Windows-1252, Shift-JIS, and GB2312.
Commonly Used Types:
System.Text.CodePagesEncodingProvider
When using NuGet 3.x this package requires at least version 3.4.
|
99 |
|
System.Dynamic.Runtime
Provides classes and interfaces that support the Dynamic Language Runtime (DLR).
Commonly Used Types:
System.Runtime.CompilerServices.CallSite
System.Runtime.CompilerServices.CallSite<T>
System.Dynamic.IDynamicMetaObjectProvider
System.Dynamic.DynamicMetaObject
System.Dynamic.SetMemberBinder
System.Dynamic.GetMemberBinder
System.Dynamic.ExpandoObject
System.Dynamic.DynamicObject
System.Runtime.CompilerServices.CallSiteBinder
System.Runtime.CompilerServices.ConditionalWeakTable<TKey, TValue>
When using NuGet 3.x this package requires at least version 3.4.
|
98 |
|
Microsoft.CSharp
Provides support for compilation and code generation, including dynamic, using the C# language.
Commonly Used Types:
Microsoft.CSharp.RuntimeBinder.Binder
Microsoft.CSharp.RuntimeBinder.RuntimeBinderException
Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo
Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfoFlags
Microsoft.CSharp.RuntimeBinder.CSharpBinderFlags
When using NuGet 3.x this package requires at least version 3.4.
|
96 |
|
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.
|
93 |
|
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.
|
89 |
|
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
02b11eeee1fbc5f3ef43a1452fe07efd25fa1715
When using NuGet 3.x this package requires at least version 3.4.
|
87 |
|
Newtonsoft.Json
Json.NET is a popular high-performance JSON framework for .NET
|
81 |
|
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.
|
80 |
|
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.
|
76 |
|
System.Dynamic.Runtime
Provides classes and interfaces that support the Dynamic Language Runtime (DLR).
Commonly Used Types:
System.Runtime.CompilerServices.CallSite
System.Runtime.CompilerServices.CallSite<T>
System.Dynamic.IDynamicMetaObjectProvider
System.Dynamic.DynamicMetaObject
System.Dynamic.SetMemberBinder
System.Dynamic.GetMemberBinder
System.Dynamic.ExpandoObject
System.Dynamic.DynamicObject
System.Runtime.CompilerServices.CallSiteBinder
System.Runtime.CompilerServices.ConditionalWeakTable<TKey, TValue>
When using NuGet 3.x this package requires at least version 3.4.
|
76 |
|
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.
|
76 |
|
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.
|
73 |
|
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.Expressions.Expression<TDelegate>
System.Linq.Expressions.Expression
System.Linq.Expressions.MemberExpression
System.Linq.Expressions.ExpressionVisitor
System.Linq.Expressions.MethodCallExpression
System.Linq.IQueryable<T>
System.Linq.IQueryable
System.Linq.Expressions.NewExpression
System.Linq.Expressions.ParameterExpression
System.Linq.Expressions.ConstantExpression
When using NuGet 3.x this package requires at least version 3.4.
|
72 |
|
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
When using NuGet 3.x this package requires at least version 3.4.
|
71 |
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 | 23 | 09/28/2026 |
| 4.3.0-preview1-24530-04 | 37 | 12/24/2025 |
| 4.0.11 | 11 | 09/28/2026 |
| 4.0.11-rc2-24027 | 36 | 12/12/2025 |
| 4.0.11-beta-23516 | 36 | 12/12/2025 |
| 4.0.11-beta-23409 | 32 | 12/12/2025 |
| 4.0.11-beta-23225 | 34 | 12/12/2025 |
| 4.0.10 | 29 | 12/21/2025 |
| 4.0.10-beta-23109 | 30 | 12/12/2025 |
| 4.0.10-beta-23019 | 30 | 12/12/2025 |
| 4.0.10-beta-22816 | 39 | 12/14/2025 |
| 4.0.10-beta-22605 | 40 | 12/17/2025 |
| 4.0.10-beta-22416 | 39 | 12/21/2025 |
| 4.0.10-beta-22231 | 42 | 12/14/2025 |
| 4.0.0 | 2 | 10/08/2026 |
| 4.0.0-beta-23109 | 27 | 12/21/2025 |
| 4.0.0-beta-23019 | 1 | 10/11/2026 |