Rainmeter
Rainmeter is a desktop customization platform.
18 Alternatives To Rainmeter
Bginfo
This fully-configurable program automatically generates desktop backgrounds that include important information about the system.
BitBar
Put anything in your Mac OS X menu bar
Conky
Conky is a free, light-weight system monitor for X, that displays any kind of information on your desktop.
Core Temp
Nov 4, 2017 - Core Temp is a compact, no fuss, small footprint, yet powerful program to monitor processor temperature and other vital information.
Fences
Keep your desktop organized with Fences. This is a simple software program that allows you to sort the tabs on your desktop and create files that are easily recognizable to you.
HWMonitor
HWMonitor is a hardware monitoring program that reads PC systems main health sensors : voltages, temperatures, fans speed.
MenuMeters for El Capitan
MenuMeters for OS X El Capitan 10.11 (and later)
Moo0 System Monitor
Lets you keep your eye on system resource usages of your PC.
Nerdtool
NerdTool is a GeekTool-like application that displays information directly on your desktop.
Open Hardware Monitor
Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
Plastuer
Plastuer is a Windows application for setting GIFs, videos, and web pages as your wallpaper.
RainWallpaper
RainWallpaper is a powerful live wallpaper engine that allows you to use various types of…
Real Temp
Real Temp is a temperature monitoring program designed for all Intel single Core, Dual Core, Quad…
Sidebar Diagnostics
SidebarDiagnostics - A simple sidebar for Windows desktop that displays hardware diagnostic information.
Speccy
Speccy - find the details of your computer’s specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
XWidget
XWidget is a free desktop customization platform.
htop
htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses.
iStat Menus
“An advanced Mac system monitor for your menubar.”