GeekTool is an application for Mac OS 10.6+. It lets you display various kinds of information on your desktop via 3 default plug-ins:
- File plugin to monitor MacOS X activity
- Shell mode to launch custom scripts or commands
- Image mode




AGS is described as 'A framework for crafting Wayland Desktop Shells' and is an app in the development category. There are more than 50 alternatives to AGS for a variety of platforms, including Linux, Windows, Mac, Wayland and BSD apps. The best AGS alternative is Rainmeter, which is both free and Open Source. Other great apps like AGS are Docking, Wigify, Conky and ViBox.
GeekTool is an application for Mac OS 10.6+. It lets you display various kinds of information on your desktop via 3 default plug-ins:




OneWidget is a customizable app offering a wide variety of widgets for personalizing your home screen, including transparent, live, and health data widgets, with adjustable themes, icons, and sizes, compatible with iOS 14+ and iPadOS 14+.




Hologram lets you theme your desktop with widgets and wallpapers (over 5 million to choose from!).






Widgetable provides trending widgets on your lock and home screen, including pet widgets, plant widgets, social widgets for friends and couples, mood bubbles, dynamic icons, app launching widgets and contact shortcuts.




Personalize your Home and Lock Screen with Lockera. Keep track of essential information.




GKrellM is a single process stack of system monitors which supports applying themes to match its appearance to your window manager, Gtk, or any other theme.


Zebar is a tool for creating customizable and cross-platform taskbars, desktop widgets, and popups.

Lets you keep your eye on system resource usages of your PC. It supports 43 kinds of information including CPU, Memory, Network, and detailed HDD usages, so you may discover what's limiting your system performance in each occasion.

Xfce componet to switch between opened windows, launch applications, switch workspaces and menu plugins to browse applications or directories.