ViewDbChk is a free tool that helps you overcome and clean up database inconsistencies for VMware Horizon View, the VMware solution for VDI.
The tool, available for version 5.3 and 6.0, can be downloaded through the link below. When downloading, be sure to select the correct version.
Everything you need to set up and use VDI for free...
That's what Citrix is providing nowadays with XenDesktop Express. It provides full VDI for up to 10 users, and can work with XenServer, Hyper-V and VMware.
The full link to everything is this one: