ftp://ftp.xilinx.com/pub/swhelp/  direct

[DIR]bsdl/  direct  6 twin directories
[DIR]cadence/  direct  2 twin directories
[DIR]orcad/  direct  5 twin directories
[DIR]package/  direct  750+ twin directories
[DIR]security/  direct  1000+ twin directories
[DIR]M1.4_alliance/  direct
[DIR]M1.5_updates/  direct
[DIR]M2.1i_updates/  direct
[DIR]coregen/  direct
[DIR]cpld/  direct  7 twin directories
[DIR]foundation/  direct  34 twin directories
[DIR]iostd/  direct
[DIR]ip_updates/  direct
[DIR]ise10_updates/  direct
[DIR]ise4_updates/  direct
[DIR]ise8_updates/  direct
[DIR]programmer/  direct  220+ twin directories
[DIR]viewlogic/  direct  2 twin directories
[DIR]xact-workstation/  direct
[DIR]M1.5i_updates/  direct
[DIR]M3.1i_updates/  direct
[DIR]ibis/  direct  15 twin directories
[DIR]innoveda/  direct
[DIR]ise5_updates/  direct
[DIR]ise6_updates/  direct
[DIR]ise7_updates/  direct
[DIR]ise9_updates/  direct
[DIR]mentor/  direct  7 twin directories
[DIR]mti/  direct
[DIR]xact-pc/  direct
[DIR]speed_files/  direct
[DIR]synopsys/  direct