Dropbox - Online Sync and File Sharing
ExpanDrive - ExpanDrive is a fast network drive and browser for cloud storage.
Google Drive - Access and sync your files anywhere
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Nextcloud - With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.
FileCloud - FileCloud is an enterprise file share, sync and mobile access solution.