"Xanadu" is a package for analysis of XAFS. I am sorry but it run on only MS-DOS of NEC PC-9801 and its compatibles (not IBM-PC compatibles) and displays in Japanese. Non-Japanese UWXAFS licensees can try "AUTOBKX", which has an additional extraction method like Xanadu.
Contact to: eijin@ab11.yamanashi.ac.jp