CloudStack IAAS Cloud Software Platform (from Citrix) includes
- Multi-Tenant cloud computing platform
- Compatible with Commodity or Enterprise Components
- Broad Hypervisor Support (Xenserver, KVM, VMware vSphere)
- Scalable Architecture (manage thousands of hosts and virtual machine guests)
- High Availability configurations to provide automatic fail-over for virtual machines
- Easy-to-Use AJAX-enabled web interface
- Configurable to deploy public, private and hybrid clouds
- Virtual Networking to segment network traffic into VLANs
- Robust API
- Amazon EC2 Compatibility layer
- Written in Java for proven reliability
- Ability to define service level definitions with specific resource footprints
- Open Source, available under the GPL version 3