Centers a window on the primary monitor. Windows only for now. (PR's always welcome.)
centerme.exe --title "Untitled - Notepad"
This will center your empty notepad window (Windows 10) on your primary monitor when it is active.
Options:
-t, --title <TITLE> Title of the window to center when it is active (foreground)
-d, --delay <DELAY> How long to wait in milliseconds before centering the window. Some windows may change in size shortly after appearing so this delay will allow more flexibility
-p, --print Print the title of the currently active (foreground) window after 1 second
-h, --help Print help
-V, --version Print version