Samepage is an award-winning real-time intranet software built to help teams co-author documents, share files, manage tasks & calendars, draw diagrams, edit spreadsheets, & more. Secure sharing helps you collaborate with co-workers, contractors, clients, etc. Built-in group chat & video calling lets you see your team and its conversations alongside the content you're working on together. It also integrates with hundreds of apps to help you consolidate workflows & avoid email overload.
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.
RingCentral Video - Live life unlimited. Free video meetings and team messaging in one app that works the way you do.
Dropbox - Online Sync and File Sharing
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.
Google Drive - Access and sync your files anywhere
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Mega - Secure File Storage and collaboration