Top 20 NuGet collections Packages

Useful MVVM extensions to C# objects and classes in WPF, UWP, Xamarin, and MAUI.
Advanced collections for .NET
Traffic-free collections (PoolingList, PoolingDictionary, PoolingQueue, PoolingStack), non-allocating LINQ
A collection of useful data and execution extensions for .NET
LINQ Extended Design. Additional C# extension methods (inspired by LINQ) and F# collection functions
Converts a data type to another data type, smarter than the standard Convert class, including collections and their items as well as object properties (duck typing). With special support for DateTime conversions.
Useful set of extensions and classes for simplifying and optimizing read-write synchronization. Part of the "Open" set of libraries.
Useful set of extensions and classes for simplifying and optimizing thread safe operations and synchronization. Part of the "Open" set of libraries.
Useful set of collections, and extensions for collections with thread-safe read-write access options. Part of the "Open" set of libraries.
Collection of useful classes for your .NET application: Object Pool, Thread Pool, Queue Async Processor, BlockingQueue, DiskQueue, ThreadSetManager, Throttling, Semaphore, EntryCounteringEvent, Collections, ReadOnlyCollections, IoC, WeakEvent and other.
This are C# class libraries that implements generic collections that are not covered by the .NET base class library. At the moment this is just a BinaryHeap implementation with various variations, and based on that an implementation of a PriorityQueue.
ObservableView
Managed Commons library for SquareList specialized collection.
Boilerplate code that can speed up your development
CB.System is a collection of common classes to solve frequently occurring challenges according to System.*.
A library of interfaces, enums, and delegates that are useful in a broad range of software projects, according to the theme "things that should be built into the .NET framework, but aren’t". Also contains a small number of essential structs and classes, most notably Symbol, UString, Maybe<T...
Extra methods for dotnet standard library. Similar to Apache Commons or Guava for java.
The purpose of the libarary is to provide extensions and types supporting threading.
Types and extensions for secure strings.
Tools and extensions for the IO namespace.