Highly configurable, awesome resource meter on your desktop
Pros & Cons:
Systmetrix - is a great choice in this category as well. It follows the same approach as Rainmeter in being a host application for skins that you can design yourself. However, you can only load one skin at a time so all your metering and info must be on it. That is a big disadvantage if you want to redesign your entire desktop but the configuration is much easier than in Rainmeter.
Sysmetrix combines a wide variety of metering, controlling and info gauges with an excellent skinability. The list of modules includes CPU, RAM, Drive Space, Page file, Network, Player Controls, Weather, Battery, SSID, motherboard info, and more. It also enjoys some popularity on the top skinning sites. There are beautiful skins available for every taste and target usage, from small bars (if you only want to use a small amount of space at the top of your screen) to larger gauges that you can place on a monitoring PC to watch from a distance. Sysmetrix offers different types of display: analog, text, bar, histogram, image-based graphs, interactive buttons, gauge, animations. It also offers weather and time zone information capabilities. I missed the possibility to add gauges for each CPU, only the total CPU load is available.
Sysmetrix most current version 3.45 is from March 2011. It still works fine up to Windows 8. You might want to check out a skin that I made myself for Sysmetrix called "Osci Pro". Find more details here.
Sysmetrix was reviewed by George on based on version 3.45.