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.

Christmas Day has entered the countdown time, and for guys who are sitting in front of a computer all the day, I think the most reflective change to the festal atmosphere is our desktop theme.

Sysinternals Suite (AKA: Windows Sysinternals Suite) is a tool set originally developed by Winternals company for internal use, aimed at resolving all sorts of problems that engineers might encounter in their usual work. Later it was placed on the Internet for free downloads, and some tools also opened source. Till today, Sysinternals has long been popular with high praise in the IT industry.

Cool PDF Reader is known as the world's smallest multi-function PDF reader freeware. It allows you to view, edit (extract, crop), print or convert PDF files to TXT, BMP, JPG, GIF, PNG, WMF, EMF, EPS, TIFF formats.

Fully functional drawing software often has a very high price, which may be a big burden for beginners or amateurs. And in fact they also do not need too professional functions (like Photoshop), so looking for a suitable tool is often the better choice.