Basefolder - Use your home PC as your own personal cloud storage server.
CostStorage - Super simple cloud storage pricing estimator
Wallaroo Labs - An ultrafast and elastic data processing engine
Backblaze B2 Cloud Storage - The lowest cost cloud storage on the planet: $0.005/GB/Month
Starfiles - File hosting done simple
CloudMounter - CloudMounter for Mac OS X: map Dropbox as network drive, mount OneDrive, Google Drive and Amazon S3; FTP client and WebDAV client.