Citrix xen desktop virtualization comes in different flavors and they are as follows:

1. Express edition- this is the edition which is a trial version and user can use it for 10 days. It has limitation as well on the usage.

2. VDI (virtual desktop interface) provides scalability and also virtual desktops using the client-server model.

3. Enterprise edition- it has all the tools available for customization and it is a cost-effective platform that provides flexibility, scalability and delivery of applications without any hassles.

4. Platinum edition- it is a complete package to deliver full performance monitor, Qos capabilities and services for end-to-end delivery. It has support for virtual desktop support.