Pydio file sharing & sync includes applications for web, desktop and mobile assuring that your end users can easily manage their critical documents everywhere.
A feature-rich App accessible in any browser
The web interface of the online cloud provides an intuitive user experience, integrated preview for all of the most common file formats (audio, video, PDF, office documents), an indexation for quick search. In addition advanced sharing features allow you to share files or folders with internal and external collaborators via e.g. public links to your documents. Password-protected share links, auto-expiration after a given number of downloads and custom link handles make sure that your vital documents are protected.
A tutorials on how to do all those things is provided via this external link here