Top 20 NuGet sorted Packages

Package Description
High-performance, memory-efficient collections for .NET. Right now, the package has a fast, compact B-tree based on Google's C++ B-tree library. Other collections are coming soon!
An always sorted collection. Has options to allow/disallow duplicate items as well as to sort in reverse order. CodeBits are useful code blocks that can included in your C# projects through NuGet. See the project site for documentation.
An always sorted observable collection. Has options to allow/disallow duplicate items as well as to sort in reverse order. CodeBits are useful code blocks that can included in your C# projects through NuGet. See the project site for documentation.
Ordered collection algorithms.
Concurrent Observable Collection, Dictionary, and Sorted Dictionary