When a function is not enough

kill trees of processes

A fully persistent balanced binary search tree

Turn any collection of objects into its own efficient tree or linked list using Symbol

Color helpers to ease transformation between formats, gamut, etc

Binary Search Trees

Transform JSX in estrees to function calls (for react, preact, and most hyperscript interfaces)

Walk any kind of tree structure depth- or breadth-first. Supports promises and advanced map-reduce operations with a very small API.

Function tree utils for integration with redux

The two-way function tree

A function tree that understands generator functions and lets you use simple javascript objects as execution queries

Find files simply. Walks a directory tree emitting events based on what it finds. Presents a familiar callback/emitter/a+sync interface. Walk a tree of any depth.

unist utility to modify direct children of a parent

Get all children of a pid

Fast Splay tree for Node and browser

htmlparser2 tree adapter for parse5.

unist utility to create a new tree by mapping all nodes

converts a JS object into a nice and readable tree structure for the console

mdast utility to serialize markdown

unist utility to visit nodes