•Original Source of Mixmaster 2.0.3, Copyright © 1995 Lance M. Cottrell
•RSAREF™ 2.0 Copyright © 1994 RSA Laboratories, a division of RSA Data Security, Inc., All rights reserved.
•SIOUX Simple Input/Output User Exchange by Berardino E. Baratta, Copyright © 1993-1995 Metrowerks Inc. 
•Timeshift.c source of MacPGP 2.6.2, Copyright © 1990-1994 by Philip Zimmermann
•About Box code adapted from WEDemo Copyright © 1993-1998 Marco Piovanelli
•Animated cursor code and resources, Copyright ©1997, K. J. Bricknell
•Moof: The Minimal Object-Oriented Framework by Joseph J. Strout 
•URandomLib  by Michael P. McLaughlin