ProjectSend is a free, open source software that lets you share files with your clients, focused on ease of use and privacy. It supports clients groups, system users roles, statistics, multiple languages, detailed logs... and much more!
ProjectSend is a free, clients-oriented, private file sharing web application.
Clients are created and assigned a username and a password.Uploaded files can be assigned to specific clients or clients groups.
Other featres include auto-expiration of upload, notifications, full logging of actions by users and clients, option to allow clients to also upload files, themes, multiple languages...