If you don't want to use Google Drive, here is a open source alternative.
Private and secure file sharing and cloud storage solution.
Fully compliant with GDPR. Made and hosted in the EU.
LinShare lets you start for FREE with 20Gb of storage and lets you;
- Store any of your files, no matter what format or size they are.
- Easily share files with your close colleagues, partners, friends.
- Create working groups that will help you to gather everyone you need for your projects.
LinShare is 100% open source with its code available on GitHub. Security experts can verify the code that protects your data.
Linshare is GDPR compliant. All your data is stored on secure servers in the EU. So you are protected from the Cloud act and the Patriot act.
Effortless collaboration that enables your productivity
Upload or receive a document, open and edit it online alone or with collaborators. Text documents, presentations or spreadsheets – there is no limit for LinShare.
and much more.....
LinShare is in Beta under active development and looks to be a very usable service.