Twin directories of contributions:

[DIR]  ftp://ftp.dotsrc.org/projects/oscommerce/www/htdocs/contributions/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/ftp.ifarchive.org/if-archive/programming/tads3/library/contributions/
[DIR]  ftp://ftp.yzu.edu.tw/mirror/pub1/Sun/sunfreeware.com/contributions/
[DIR]  ftp://144.122.144.177/pub/mirrors/ftp.sunfreeware.com/contributions/
[DIR]  ftp://ftp.hosteurope.de/mirror/ftp.sunfreeware.com/pub/freeware/contributions/
[DIR]  ftp://128.118.2.96/pub/.mirrors/2/ftp.sunfreeware.com/pub/freeware/contributions/
[DIR]  ftp://ftp.eutelia.it/pub/SunFreeware_Mirror/contributions/
[DIR]  ftp://ftp.agt.net/pub/sunfreeware/contributions/
[DIR]  ftp://ftp.carnet.hr/solaris/sunfreeware/contributions/
[DIR]  ftp://ftp.sunfreeware.com/pub/freeware/contributions/
[DIR]  ftp://ftp.ifarchive.org/if-archive/programming/tads3/library/contributions/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/ftp.ifarchive.org/if-archive/programming/hugo/library/contributions/
[DIR]  ftp://ftp.ifarchive.org/if-archive/programming/hugo/library/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/hourly.0/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/hourly.1/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/hourly.2/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/hourly.3/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/hourly.4/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/hourly.5/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.0/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.1/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.10/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.11/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.12/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.13/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.14/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.2/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.3/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.4/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.5/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.6/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.7/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.8/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/.snapshot/nightly.9/Sun/freeware/contributions/
[DIR]  ftp://ftp.ncku.edu.tw/Sun/freeware/contributions/
[DIR]  ftp://ftp.back2roots.org/pub/back2roots/cds/faces_of_mars/kontakt/yam2.3/contributions/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/ftp.ifarchive.org/if-archive/infocom/compilers/inform6/library/contributions/
[DIR]  ftp://ftp.ifarchive.org/if-archive/infocom/compilers/inform6/library/contributions/
[DIR]  ftp://ftp.back2roots.org/pub/back2roots/cds/almathera/cdpd_vol4/networking/mail&news/monalisa/contributions/
[DIR]  ftp://ftp.acn.gr/pub/vendors/sun/freeware/contributions/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/ftp.ifarchive.org/if-archive/infocom/compilers/inform5/library/contributions/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/ftp.ifarchive.org/if-archive/infocom/compilers/inform6/examples/contributions/
[DIR]  ftp://clr.nmsu.edu/CLR/MUC5/contributions/
[DIR]  ftp://ftp.iavsc.org/pub/dos/NCSA_Telnet/contributions/
[DIR]  ftp://64.50.236.52/.1/nslu2/sources/cvs/clucene/contributions/
[DIR]  ftp://64.50.238.52/.1/nslu2/sources/cvs/clucene/contributions/
[DIR]  ftp://82.177.38.17/mirror/ftp.sunfreeware.com/pub/freeware/contributions/
[DIR]  ftp://82.177.38.18/mirror/ftp.sunfreeware.com/pub/freeware/contributions/
[DIR]  ftp://ftp.mayn.de/pub/really_old_stuff/linux/Isdn4Linux/oldstuff/contributions/
[DIR]  ftp://ftp.uni-duesseldorf.de/pub/mirror/SunSite.Informatik.RWTH-Aachen.DE/contributions/