nimbula :: cloud infrastructure software from the makers of EC2

Nimbula, Inc, the Cloud Operating System company, was founded by the team that developed the industry-leading Amazon EC2 service.

Nimbula delivers a new class of cloud infrastructure and services system that uniquely combines the flexibility, scalability and operational efficiencies of the public cloud with the control, security and trust of today’s most advanced data centers.
(Link: nimbula :: cloud infrastructure software from the makers of EC2)