Top 20 NuGet dictionary Packages

This is a .NET Standard 1.0, Silverlight 5.0 and Windows Phone Silverlight 8.0 & 8.1 backport from System.Collections.Concurrent.ConcurrentDictionary and System.Collections.Concurrent.ConcurrentQueue as defined in .NET Core
NKeyHash is a IEnumerable-enabled multikey-singlevalue collection. It can use System.Collections.HashTable, System.Collections.Generic.Dictionary, System.Collections.Generic.SortedDictionary, or System.Collections.Concurrent.ConcurrentDictionary for the underlying base hashable object. NKeyHash uses...
Source code package. An extension for converting the entries in an IDictionary<string,string> to a nested IDictionary<string,object>.
Through the countdown, automatically Remove and Dispose the objects in the dictionary (Inherit ConcurrentDictionary class), with Renew function.
Either drag the RapidSpellDialog and RapidSpellAsYouType spelling controls into your form, or programmatically create in C# or VB.NET (and it really is just a few lines of code).
Coroutine based cache with areas support, a simple and efficient coroutine implementation. The documentation can be found on http://www.kendar.org/?p=/dotnet/helpers/coroutinecache.
Adds HtmlHelper extension methods to correctly serialize dictionaries.
Enables WebApi projects to use XSerializer for its xml serialization.
Adds methods to help serialize complex objects for use in ASP.NET MVC.
This library provides F# integration for the Imms immutable collections library.
Import & Export Excel Operations
Maps interface properties to document type properties. Untested below 7.5
Utilities for working with collection types.
Contains various extension methods for collections
Immutable persistent collections, algebraic sum-type aka descriminated union, Ref type and supportive extensions for performant functional programming in C#. Split from the DryIoc: https://github.com/dadhi/DryIoc
A .Net Wrapper around the Glosbe API
High performance Data Repository with Value retrieval embeded. a single key could be used to get up to 7 strong typed values. ExpirableRepositories provide a similar set of Dictionaries with Timestamp indicating expirations of the values.