The Finder component finds files and directories via an intuitive fluent interface.
Symfony DirectoryLoaderBundle to recursively import directories of configuration
A Symfony bundle that loads validation mapping files from any directories
Icon Loader: loads (svg) icons from different directories, provides a twig function and caches them.
Vim plugin which allows you to easily jump (using keyboard shortcuts) to most common files or directories in Symfony 2 and 1.4 projects.