Twin directories of unsit:

[DIR]  ftp://ftp.beos.hu/pub/beos/applications/archiver/unsit/
[DIR]  ftp://ftp.back2roots.org/pub/back2roots/cds/xetec/fish_n_more_vol1/more/compressors/unsit/
[DIR]  ftp://codeblocks-contrib-libs-8.02-3.fc10.ppc.html/pub/back2roots/cds/xetec/fish_n_more_vol1/more/compressors/unsit/
[DIR]  ftp://ftp.chatnfiles.com/Crawly_Crypt_Collection_CD_1/utility/archiver/unsit/
[DIR]  ftp://ftp.chatnfiles.com/Crawly-Crypt-Collection/Crawly_Crypt_Collection_CD_1/utility/archiver/unsit/