As a freelance web developer I used to work on various hosting. Some of those doesn't have a rich file manager with a way to compress files. This causes file transfers to be very slow. That's where zipCF plays its role by providing a way to create zip files.

Video describing the way to install and use.

WP File Access Manager is a WordPress plugin that allows you to control access for every single file you upload to your WordPress Media Library.

Features:

Setup Restrictions for Individual Files, file type or all files.

Restrict by login status/user/user roles

Lightweight

Very Easy to use

Strong customer support