Today's viruses, trojans and many other malicious software are much smarter and more shrewd than ever before. In other words, the traditional methods of identifying suspicious processes such like by checking the startup items have been far from enough. For example, they have been used to embed themselves into system processes, inject into driver files, disguise as system services, and so on, so as to implement autorun and bypass the scanning and killing of most anti-virus software. As a consequence, we could see that more and more antivirus software AIDS came into popular.

To efficiently manage company/enterprise's internal LAN network with numerous nodes, complex structure and frequent failures, we often need to turn to the convenient and intuitive network topology for help. This way, when some device in a LAN breaks down, we will be able to skillfully use it to quickly locate the machine/source out of order.

Homedale is a tiny and free wireless network signal detection software. It can be used to detect, view and monitor the signal strength, encryption type (WEP/WPA/WPA2), speed and channel of all available Wi-Fi / WLAN network access points.

Firebug is a free and open-source, complete and powerful Web development auxiliary plug-in for Mozilla's Firefox. The same as Chris Pederick's Web Developer, it added plentiful website designing, developing and testing tools at our fingertips. Web developers can use it to debug, edit or even delete HTML, CSS, DOM, and JavaScript code of any website.

In some conditions, we need/want to close the monitor's power immediately (lowering the screen's brightness is meaningless), rather than waiting for the computer to enter its power saving mode and then do this for you. Note that, empty or pure black screen saver can not achieve this effect, because any screensaver obviously becomes very bright in dark environments.