Dataprius makes it easy to share files and folders through controlled web access, without the need to send email attachments. It also allows you to share entire folders and subfolders.
A very useful feature is the automatic notification sent to users when new files are uploaded. Review collected by and hosted on G2.com.
It doesn't have a native Mac version, but it can be used with virtualization at least (Parallels or virtualbox) Review collected by and hosted on G2.com.
