PreFab Software, Inc.

PreFab logo

As of May 2010, the following products are distributed by PFiddlesoft, a new company founded by the original developer.

UIA icon UI Actions - Universal Attachability for AppleScript.
UIB icon UI Browser - The ultimate assistant for GUI Scripting.
UIB icon Event Taps Testbench - A utility for exploring Quartz event taps.


PreFab Software, Inc. released PreFab Player in 1994. In 2003, PreFab worked with Bill Cheeseman to enter the world of Mac OS X. After a long and fruitful collaboration, PreFab left the scripting market so Bill now distributes his products directly.
PreFab Software, Inc.
241 Hartwell Rd
Bedford, MA 01730

Tel: 781-791-7593
(email is best, but feel free to leave a voice message)
FAX: 815-301-1907

Legacy Product

Player icon PreFab Player - query and control the GUI
Mac OS 9.x and below


PreFab also develops several information-rich Web sites. New: Canadian Escapades book, published by Germancosm.

In November 2006, we moved the contents of this website to We have a separate site that covers prefab and modular homes.

Copyright 1993-2012, PreFab Software, Inc. All Rights Reserved.