elFinder is a Web-based file manager that was inspired by the simplicity and convenience of Mac OS X's Finder. It attempts to make working with remote files as convenient as working with those on your computer. It supports QuickLook for most types of files, copy/move with drag and drop, hot keys, a built-in text editor, context menus, and much more.
Saint CMS is a combination CMS and eCommerce package built atop a rapid development framework. It is high performance, easy to use, and provides convenient tools for creating sites with custom content types. It includes a built-in blog, an image gallery, a slideshow, a file manager, a shop with downloadable product options, an event logging system, a WYSIWYG editor, and more.