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.
ACDSee - ACDSee is an image viewer that uses very little system resources, and it has a small, sleek size that won't take up much space on your system.
Dropbox - Online Sync and File Sharing
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Google Drive - Access and sync your files anywhere
Polarr - MacOS, Windows, iOS, Android and online photo editing tools & free photo editors.
Mega - Secure File Storage and collaboration