In an ideal developer/systems administratorâ€™s world, most applications would deploy seamlessly to multiple platforms and scale elastically with minimal effort bringing the unprecedented agility of the cloud within immediate reach of developer teams and IT organizations.
OpenStack, a RackSpace and NASA initiative, is now managed by an independent foundation and is supported by multiple vendors. It defines APIs for compute, storage, networking, services, monitoring, and additional infrastructure services.
jclouds is an open source library that helps you get started in the cloud and utilizes your Java or Clojure development skills. The jclouds API gives you the freedom to use portable abstractions for cloud-specific features. It's a cross-cloud toolkit that works with both public and private clouds, enabling hybrid cloud workloads.