Top 20 NuGet tree Packages

Object-Tree validation tools. Simple and readable validation of the structure and data of any object tree. Validation assertions can be either INamedPredicates or NUnit assertion constraints.
TypeScript implementation of an AVL tree, a self-balancing binary search tree, with enumerable/iterable collections like set and map.
Open-source ASP.NET Tree control based on jsTree
Package Description
Source Only .NET expression tree formatter. Like Expression.ToString() without the noise
Treenumerable is a general purpose library for enumerating, traversing and querying just about any tree.
Traverse DependencyObjects properties up the logical and visual tree
Tools for the following scenarios - Console applications - Abstract trees - Matrices - Mathematical Ranges - Arrays - Serialization - Text or string tools
A tool for comparing two .config files and generating an XDT transform (Microsoft XML Document Transform). Useful for creating transforms for existing production web.config or app.config files. Can also be used for unordered XML comparison, as an alternative to Microsoft's XML Diff tool.
Elementary Hierarchy provides interfaces, data structures and algorithms for developing of hierarchical data structures.
A library that implements a Hierarchical object model for any Entity Class.
TreeLib: Balanced Binary Trees, Rank Augmented provides binary tree collections (AVL, red-black and splay) with optional rank information for order-statistic and sparse indexing applications. This package contains the interface definition assembly.
TreeLib: Balanced Binary Trees, Rank Augmented provides binary tree collections (AVL, red-black and splay) with optional rank information for order-statistic and sparse indexing applications. This package contains the primary implementations.
TreeLib: Balanced Binary Trees, Rank Augmented provides binary tree collections (AVL, red-black and splay) with optional rank information for order-statistic and sparse indexing applications. This package contains implementations with Int64 rank indexing.
TreeLib: Balanced Binary Trees, Rank Augmented provides binary tree collections (AVL, red-black and splay) with optional rank information for order-statistic and sparse indexing applications. This package contains array-embedded implementations.
TreeLib: Balanced Binary Trees, Rank Augmented provides binary tree collections (AVL, red-black and splay) with optional rank information for order-statistic and sparse indexing applications. This package contains HugeList, a class for efficiently managing very large lists.
字典树
Top-quality toolkit of algorithms and data structures for .NET developers.
A generic tree/leaf structure built with extensions used to traverse data easily from any point in the structure.