Virtual Iron provides enterprise-class software for server virtualization & virtual infrastructure management.
The Virtual Iron product offers comparable capabilities and performance to established proprietary offerings.
In keeping with the GPL, you are welcome to use the Open Virtual Iron sources in whatever way you wish. Please keep in mind that Virtual Iron only supports the binaries shipped with the product for the operating system versions on their supported list.
VirtualBox product has been quickly established as one of the leading developer desktop virtualization platforms.
Now, as part of the Sun xVM portfolio, VirtualBox will have the support of Sun’s global development community, field resources and partners to make VirtualBox even more compelling to developers and end users, driving greater adoption across a broad set of communities.
VirtualBox enables desktop or laptop PCs running the Windows, Linux, Mac or Solaris operating systems to run multiple, different operating systems side-by-side, switching between them with just a click of the mouse.
SitePoint have written a really good article comparing Amazon EC2 vs Google App Engine with some great references
Nivanix : Secure, Scalable, Cloud Storage Optimized for Large Files Including Media
AppLogic is a grid operating system that is designed for web applications and is optimized for transactional and I/O intensive workloads.
It uses advanced virtualization technologies to ensure complete compatibility with existing operating systems, middleware and applications. As a result, AppLogic makes it easy to move existing web applications onto a grid without modifications.
Another great virtualisation blog is http://blog.mr-vm.com/
Jump Box Open is a subscription that grants you one license for every JumpBox in the Open Source Collection for a period of one year. From Content Management Systems (CMS) to Wikis, CRM to Ticket Tracking, there are already JumpBoxes available for many of the most popular Open Source applications.
There are 20 JumpBoxes currently available, with 50 additional expected by the end of 2008.