Twin directories of xdrop:

[DIR]  ftp://ftp.mcs.vuw.ac.nz/_mnt/archive/comp/sources/x/volume22/xdrop/
[DIR]  ftp://ftp.lf.net/pub/X11/ARCHIVE/volume22/xdrop/
[DIR]  ftp://alge.anart.no/pub/xview/Xview/apps/xdrop/
[DIR]  ftp://ftp.auxio.org/pub/mirrors/step.polymtl.ca/pub/Xview/apps/xdrop/
[DIR]  ftp://ftp.auxio.org/pub/mirrors/step.polymtl.ca/pub/Xview/pub/Xview/apps/xdrop/
[DIR]  ftp://ftp.informatik.uni-stuttgart.de/pub/archive/comp.sources/x/xdrop/
[DIR]  ftp://ftp.uni-mainz.de/pub/software/X11/contrib/clients/xdrop/
[DIR]  ftp://ftp.funet.fi/pub/archive/comp.sources.x/volume11/xdrop/
[DIR]  ftp://ftp.funet.fi/pub/archive/comp.sources.x/volume22/xdrop/
pkg://xdrum-1.0.tar.gz:25068/  downloads[DIR]3  xdrum-1.0.tar.gz/xdrop/
[DIR]  ftp://ftp.uni-mainz.de/pub/.snapshot/nightly.1/software/X11/contrib/clients/xdrop/
[DIR]  ftp://ftp.silug.org/pub/historical/InfoMagic-CD/usenet/199410/cd2/x/volume11/xdrop/
[DIR]  ftp://ftp.silug.org/pub/historical/InfoMagic-CD/usenet/199410/cd2/x/volume22/xdrop/
[DIR]  ftp://ftp.uu.net/.vol/9/comp.sources.x/volume22/xdrop/
[DIR]  ftp://ftp.uu.net/.vol/9/comp.sources.x/volume11/xdrop/
[DIR]  ftp://ftp.uni-mainz.de/pub/.snapshot/nightly.0/software/X11/contrib/clients/xdrop/
[DIR]  ftp://ftp.uni-mainz.de/pub/.snapshot/hourly.5/software/X11/contrib/clients/xdrop/
[DIR]  ftp://ftp.uni-mainz.de/pub/.snapshot/hourly.4/software/X11/contrib/clients/xdrop/
[DIR]  ftp://ftp.uni-mainz.de/pub/.snapshot/hourly.3/software/X11/contrib/clients/xdrop/
[DIR]  ftp://ftp.uni-mainz.de/pub/.snapshot/hourly.2/software/X11/contrib/clients/xdrop/
[DIR]  ftp://ftp.uni-mainz.de/pub/.snapshot/hourly.1/software/X11/contrib/clients/xdrop/
[DIR]  ftp://ftp.uni-mainz.de/pub/.snapshot/hourly.0/software/X11/contrib/clients/xdrop/
[DIR]  ftp://ftp.uni-mainz.de/pub/.snapshot/dfm_sv_backup(archiv1)svt_ftp.0/software/X11/contrib/clients/xdrop/
[DIR]  ftp://nic.funet.fi/pub/archive/comp.sources.x/volume22/xdrop/
[DIR]  ftp://nic.funet.fi/pub/archive/comp.sources.x/volume11/xdrop/
[DIR]  ftp://ftp.uni-mainz.de/pub/.snapshot/svt-01(0151700281)_svt_ftp_fs01_ftp_--src.0/software/X11/contrib/clients/xdrop/
[DIR]  ftp://ftp.uni-mainz.de/pub/.snapshot/dfm_sv_backup(svt-01)svt_ftp.0/software/X11/contrib/clients/xdrop/