Dropbox - Online Sync and File Sharing
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Google Drive - Access and sync your files anywhere
Creativity 365 - Cross-device content creation suite
Microsoft OneDrive - Secure access, sharing & file storage
Microsoft Teams - Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.