Google Drive, Dropbox, Microsoft OneDrive, Spideroak One Backup , MediaFire, Koofr, Filestash, Jamcast, NirvaShare, Keepit, SugarSync, Yandex Disk, Papaya, GFI Backup, SyncDesk, Cucku Backup, OnlineBackupVault, Trend Micro SafeSync, ZumoDrive, Dump Truck, Genie Backup Manager are some alternatives to ASUS WebStorage.