jsTree is jquery plugin, that provides interactive trees. It is absolutely free, open source and distributed under the MIT license.

A ruby parser for TeX equations. It parses equations to postfix (reverse polish) notation and can build abstract syntax tree (AST). Also it can render images via latex. Requres modern ruby 1.9.x because of using advanced oniguruma regex engine

Allows you specify different targets for a middleman build so you can build different versions of a site from the same source tree.

A basic Ruby tree implementation with an optional C extension for speed.

Remove deeply nested keys from hash.

wikitree - wikitext/script abstract syntax tree (ast)

wikiscript-parser - wikitext/script parser (builds abstract syntax tree 'n' more)

Caplets modernizes your capistrano deployments. At its most basic, it provides a fast, efficient git-based deployment without copying release trees or symlink tomfoolery. In addition, it includes modules for common tasks such as writing config files and crontabs, working with bundler, and us...

A RubyGems plugin that shows which gems depend on a specific gem, including full dependency chains and tree visualization.

That gem creates an html advanced tree for you with an simple command!

Add jekyll support for a semantic tree (in markdown).

make directory and file tree

Marko assembles separated markup sources into one artifact tree.

Bananas is a library for displaying monkey patches defined on a given tree of objects. It uses simple criterion to introspect an object for externally-defined methods. It is intended to be used for debugging.

Ruby implementation of Merkle Sum Sparse Merkle Tree

haml_to_star is a ruby library that purpose is to allow you to transform haml to any language. The compiler class handle common processing tasks as generating the code tree and html tags, but functions that are specific to languages such as how the code in the source code must be implemented on ...

A CLI tool to manage git worktrees using bare repository pattern (core/ and tree/ structure)

The Simple Declarative Language provides an easy way to describe lists, maps, and trees of typed data in a compact, easy to read representation. For property files, configuration files, logs, and simple serialization requirements, SDL provides a compelling alternative to XML and P...

This is a pure-ruby port of Takuma Ozawa's RBTree. (it has an identical interface and uses the identical unit tests from his version 0.3.0, however it is *not* a Red-Black tree.) It's intended for doing lookups and not for doing lots of insertions or deletions. Please see RBT...

pikuri-workspace adds "operate on a directory tree" to pikuri-core agents: the +Pikuri::Tool::Workspace+ seam (abstract base + +Workspace::Cwd+) that scopes filesystem access to a chosen root, the +Pikuri::Tool::Confirmer+ seam (+AUTO_APPROVE+ + +TERMINAL+) for user-state mutations, and five tool...