ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/ports/archivers/  direct

[DIR]gambas2-gb-compress-bzlib2/  direct  39 twin directories
[DIR]gambas2-gb-compress-zlib/  direct  39 twin directories
[DIR]hs-zip-archive-ghc/  direct  57 twin directories
[DIR]hs-zlib/  direct  64 twin directories
[DIR]kzip/  direct  172 twin directories
[DIR]lbzip2/  direct  386+ twin directories
[DIR]linux-f10-ucl/  direct  39 twin directories
[DIR]linux-f10-upx/  direct  39 twin directories
[DIR]linux-f8-ucl/  direct  44 twin directories
[DIR]linux-f8-upx/  direct  44 twin directories
[DIR]lzip/  direct  451+ twin directories
[DIR]lzmautils-devel/  direct  61 twin directories
[DIR]ocaml-bz2/  direct  44 twin directories
[DIR]php5-zip/  direct  58 twin directories
[DIR]py-liblzma/  direct  45 twin directories
[DIR]ruby-libarchive/  direct  53 twin directories
[DIR]rubygem-libarchive/  direct  49 twin directories
[DIR]zipmix/  direct  52 twin directories
[DIR]zoo/  direct  2457+ twin directories
[DIR]zipper/  direct  368+ twin directories
[DIR]zipios++/  direct  941+ twin directories
[DIR]zip.with_encryption/  direct  97 twin directories
[DIR]zip/  direct  4482+ twin directories
[DIR]xpk/  direct  343+ twin directories
[DIR]xmill/  direct  326+ twin directories
[DIR]xdms/  direct  807+ twin directories
[DIR]xarchiver/  direct  1399+ twin directories
[DIR]xarchive/  direct  875+ twin directories
[DIR]xar/  direct  1035+ twin directories
[DIR]wzip/  direct  763+ twin directories
[DIR]upx/  direct  797+ twin directories
[DIR]unzoo/  direct  842+ twin directories
[DIR]unzip.with_encryption/  direct  85 twin directories
[DIR]unzip/  direct  2496+ twin directories
[DIR]untar/  direct  111 twin directories
[DIR]unshield/  direct  1067+ twin directories
[DIR]unrar-iconv/  direct  83 twin directories
[DIR]unrar/  direct  1543+ twin directories
[DIR]unmass/  direct  752+ twin directories
[DIR]unmakeself/  direct  175 twin directories
[DIR]unlzx/  direct  246+ twin directories
[DIR]unfoo/  direct  174 twin directories
[DIR]undms/  direct  246+ twin directories
[DIR]unarj/  direct  1179+ twin directories
[DIR]unalz/  direct  1236+ twin directories
[DIR]unadf/  direct  702+ twin directories
[DIR]unace/  direct  1377+ twin directories
[DIR]ucl/  direct  1660+ twin directories
[DIR]torrentzip/  direct  375+ twin directories
[DIR]thunar-archive-plugin/  direct  1329+ twin directories