FileGator

FileGator is an advanced multi-user PHP file manager & AJAX uploader. Create archives with zip or unzip and decompress files online. Search, filter and view files in tree-view. Advanced AJAX multiple file upload with progress bar. Drag & Drop from your local drive directly to browser's window to start upload. Flash free. You can create users with different access permissions and pick different home directories for each user. You can also create admins with folders hierarchical system. Preview folders with images with thumbnails or click on image and watch light-box slideshow. Increase or decrease thumbnail size.

Requirements:

PHP 5.2 + Apache web server