There have already been the well-known commercial software VMware Workstation and open source freeware VirtualBox in the field of virtual machine, but in deed, Microsoft actually already has its own virtualization technology - Windows Virtual PC, despite it is a little old and only supports Windows 7.

GmailClipse is a Java application based on Eclipse RCP, in addition to Gmail's basic mail functions, it can also simulate your Gmail account to a file system (network drive), which supports the file or folder upload, download and delete etc.