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.
GoAnywhere MFT - GoAnywhere is a managed file transfer (MFT) solution that secures and automates the exchange of data. GoAnywhere's interface and workflow features eliminate the need for custom programs, scripts, single-function tools or other manual methods.
Dropbox - Online Sync and File Sharing
AWS Transfer for SFTP - AWS Transfer for SFTP (AWS SFTP), is a fully managed service hosted in AWS that enables transfer of files over the Secure Shell (SSH) File Transfer Protocol directly in and out of Amazon S3.
Google Drive - Access and sync your files anywhere
Cleo Integration Cloud - Secure Integration and Data Movement Platform
Mega - Secure File Storage and collaboration