This is Apaxy.

Apaxy is a customisable theme built to enhance the experience of browsing web directories. It uses the mod_autoindex Apache module—and some CSS—to override the default style of a directory listing.

View the GitHub repo.

Features

Apaxy may be basic, but it gives you a great deal of creative freedom when styling your directory.

• Style your directory listing with CSS.
• Make it pop with Javascript or jQuery.
• Add welcome messages, download instructions or copyright notices.
• Add custom mime type icons (requires editing the .htaccess file).

!Sadly, visual style is all you can work with. It's not possible to alter the generated table structure of the listing directory with Apaxy.

Installation

Apaxy is super easy to install, simply follow the instructions in the in the GitHub repo or in README.md found in the download package.