Omni Secure Files is a plugin by omnilogic to create a back end secure area to upload and share files. perfect for a simple intranet file sharing site. supports large file uploads.
Features:
Can be configured to store files outside of your web root directory
Simple permission system based on roles
Supports uploading large files
Coming Features:
Renaming folders and files
Multple instances
Short code embed tags
ACL permissions
Download and info: http://wordpress.org/extend/plugins/omni-secure-files/
