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.
Nextcloud - With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.
Dropbox - Online Sync and File Sharing
Atera - Atera’s all-in-one platform enables IT professionals to gain access, visibility, and control over all their networks and devices from anywhere, so they can work smarter and light years faster.
Google Drive - Access and sync your files anywhere
Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...
Mega - Secure File Storage and collaboration