The Azure Cloud plugin allows to use Azure API for the unicast discovery mechanism and add Azure storage repositories.
A distributed spatio-temporal database built on a number of cloud data storage systems
Implementation of the Atmos storage API through jclouds for Dasein Cloud.
Samples showing how it is possible to use OpenCredo cloud storage API.
Karman Storage Provider interface for rackspace cloud files api
A distributed spatio-temporal database built on a number of cloud data storage systems
wt-google-cloud : utility api for google cloud storage and other services.
The IBM COS Config Web Services SDK for Java provides Java APIs for configuring software on IBM Cloud Object Storage.