For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Dropbox - Online Sync and File Sharing
Fellow.app - A manager’s co-pilot for 1:1s, meetings, feedback & goals 🚀
Google Drive - Access and sync your files anywhere
Retrium - Sprint retrospectives made easy and effective for distributed scrum teams.
Mega - Secure File Storage and collaboration
Notiv - Notiv is the intelligent meeting assistant that captures and automatically transcribes all your essential voice conversations into clever business outcomes.