Nerdtool

NerdTool is a GeekTool-like application that displays information directly on your desktop.

8GadgetPack

8GadgetPack makes it possible to use gadgets on Windows 8 / 8.1 / 10.

BGINFO for X, also called BGINFO4X, is a clone of the popular program BGINFO for Windows created by…

This fully-configurable program automatically generates desktop backgrounds that include important information about the system.

Put anything in your Mac OS X menu bar

Conky is a free, light-weight system monitor for X, that displays any kind of information on your desktop.

This little application displays system information on your desktop in a similar way to some other…

Desktop-Reminder is a freeware task planner for Windows to manage your tasks and other to-dos’ in really easy way.

Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.

GMinder is an open source Windows System Tray app that pops up to remind you about Google Calendar events.

MenuMeters for OS X El Capitan 10.11 (and later)

MiniUsage displays various data like CPU usage, amount of network flow, battery status and process…

Moss is a live wallpaper, an alternative to Conky for Android.

Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.

Rainmeter is a desktop customization platform.

TimeLeft is a versatile desktop utility - it can be used as a countdown clock, reminder, clock…

XWidget is a free desktop customization platform.

“An advanced Mac system monitor for your menubar.”