By default WordPress doesn’t tell you the attachment file sizes like images and other media you upload to WordPress using ‘Add Media’ button. This tutorial is on new WordPress plugin Display File Sizes, the plugin simply adds a file size field in the Save meta box on attachment edit screens and makes it easy for you to identify large images/files.
BuddyDrive is brand new BuddyPress 1.7 plugin that enables your BuddyPress site members to share file(s) by using in built WordPress post attachment features.
Role Scoper, a free WordPress plugin allows you to gain more control over reading and editing permissions in your WordPress site. Using this plugin you can assign restrictions and roles to your specific WordPress pages, posts and categories.
Yes you can very easily install a number of plugin simply by typing their names or download URLs. Sometimes while creating a new WordPress site people like installing some of the plugins basic plugins like I always install No Page Comment plugin on every new WordPress site I create.
Easily allows teams of any size to collaboratively edit files and manage their workflow in WordPress.