CostStorage - Super simple cloud storage pricing estimator
ExpanDrive - ExpanDrive is a fast network drive and browser for cloud storage.
Backblaze B2 Cloud Storage - The lowest cost cloud storage on the planet: $0.005/GB/Month
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
CloudMounter - CloudMounter for Mac OS X: map Dropbox as network drive, mount OneDrive, Google Drive and Amazon S3; FTP client and WebDAV client.
FileCloud - FileCloud is an enterprise file share, sync and mobile access solution.