ScreenGrid 1.0

ScreenGrid is a desktop-utility that makes operations to
drag and grow windows comfortable. When you drag or grow
a window, ScreenGrid helps you to
+ snap the window to screen edges.
+ snap the window to virtual grid on screens.
+ snap the window to window edges.
+ layout windows with certain offsets.
+ limit the movement of the window horizontally, vertically and 45 degrees.

System Requirement
PPC or 68K Macintosh
System 7 or later

ScreenGrid is $7 shareware.

Path: /www/exparrot/files.tidbits.com/info-mac/gui/screen-grid-10.hqx