You don’t need any special development or programming skills to use Rainmeter skins and suites, as most of them are simple one-click installations. “Skins” interact with your computer or with the internet to display information on your desktop. The Rainmeter software is free, open source, and highly customizable with a variety of Rainmeter system monitor skins and suites. Rainmeter CPU temp monitoring skins and Rainmeter weather monitoring skins are both extremely popular. You can also monitor online data like RSS feeds and email accounts. With Rainmeter, you can watch system usage stats like memory and battery power. Rainmeter is a popular desktop customization tool for PCs running Windows.