You may download the bps rpm or tar file from http://www.plogic.com/bps. BPS does require pygtk, python perl, gnuplot, and expect. These packages are normally found in most distributions (i.e. Red-Hat 7.3) or otherwise easily added. These specific versions required to build and run this version of the package are (other versions may work):
perl-5.6.1-34.99.6.i386.rpm
python-1.5.2-38.i386.rpm
gnuplot-3.7.1-17.i386.rpm
expect-5.32.2-67.i386.rpm