The usual no-warranty is below for your perusal.
If you do use EvoX for research leading to publication, I'd appreciate an acknowledgement, but apart from that I just hope you enjoy using it, and I hope it helps you to get your work done a little bit more easily.
Copyright 1995-1996 Vince Darley.
Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies. Vince Darley make no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.
Note that the full EvoX package relies upon a large number of different packages, each of which have their own terms of use (mostly just like the above). In its simplest usage, EvoX requires just Tcl 7.5, available from Sun microsystems, free of charge, for most Unix, Macintosh and Windows operating systems.