NERDTree is a filesystem explorer for Vim that adds a persistent, navigable tree view to your editing environment. It lets you traverse directories, open files, and perform basic file operations without leaving the editor or reaching for a separate terminal. The plugin is engineered around efficient keyboard navigation, offering intuitive mappings to collapse, expand, and jump between nodes. It supports bookmarks and custom root changes, which is particularly useful when working in monorepos or juggling multiple projects. Visual cues and icons (via companion plugins) help you parse directory structure at a glance, improving orientation in large codebases. ...