Eucalyptus Systems provides progressive IT organizations in enterprises and
technology businesses with the leading open source software for building AWS-
compatible private and hybrid clouds. Eucalyptus is uniquely suited for enterprise
clouds, delivering production-ready software that supports the industry-standard AWS
APIs, including EC2, S3, EBS, and IAM.
The Eucalyptus Cloud platform is open source software for building AWS-compatible private and hybrid clouds. It pools together existing virtualized infrastructure to create cloud resources for compute, network and storage. External Link: