Twin directories of gap:

[DIR]  ftp://ftp.informatik.hu-berlin.de/pub2/Mirrors/ftp.de.debian.org/debian/pool/main/g/gap/
[DIR]  ftp://ftp.us.vim.org/pub/NetBSD/packages/current-src/pkgsrc/math/gap/
[DIR]  ftp://ftp.informatik.hu-berlin.de/pub2/Mirrors/ftp.de.debian.org/debian-amd64/debian-amd64/pool/main/g/gap/
[DIR]  ftp://ftp.uwa.edu.au/mirrors/linux/debian/pool/main/g/gap/
[DIR]  ftp://ftp.iavsc.org/pub/linux/distributions/Debian/pool/main/g/gap/
[DIR]  ftp://ftp.kaist.ac.kr/FreeBSD/development/FreeBSD-CVS/ports/math/gap/
[DIR]  ftp://na.mirror.garr.it/pub/0/FreeBSD/development/FreeBSD-CVS/ports/math/gap/
[DIR]  ftp://ftp.netbsd.org/pub/pkgsrc/current/pkgsrc/math/gap/
[DIR]  ftp://ftp.cesnet.cz/.vol/releases.ubuntulinux.org/ubuntu/pool/universe/g/gap/
[DIR]  ftp://ftp.auckland.ac.nz/linux/dists/debian/pool/non-free/g/gap/
[DIR]  ftp://ftp.funet.fi/.m/mirrors5/ftp.netbsd.org/pub/NetBSD/packages/current-src/pkgsrc/math/gap/
[DIR]  ftp://ftp.netbsd.org/pub/pkgsrc/pkgsrc-2008Q1/pkgsrc/math/gap/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/universe/g/gap/
[DIR]  ftp://ftp.phon.ucl.ac.uk/pub/stuart/Macfarlane/Manipulate/continua/gap/
[DIR]  ftp://ftp.netbsd.org/pub/NetBSD/packages/current-src/pkgsrc/math/gap/
[DIR]  ftp://ftp.ural.ru/pub/mirrors/debian/pool/main/g/gap/
[DIR]  ftp://ftp.lucky.net/pub/FreeBSD/ports/distfiles/gap/
[DIR]  ftp://ftp.mgts.by/pub/ubuntu/pool/universe/g/gap/
[DIR]  ftp://ftp.rhnet.is/pub/NetBSD/packages/current-src/pkgsrc/math/gap/
[DIR]  ftp://ftp.kaist.ac.kr/FreeBSD/ports/distfiles/gap/
[DIR]  ftp://ftp.uvsq.fr/pub/FreeBSD/branches/2.2-stable/xperimnt/gap/
[DIR]  ftp://ftp.uvsq.fr/pub/FreeBSD/branches/-current/xperimnt/gap/
[DIR]  ftp://ftp.sun.ac.za/.sdb1/ftp.freebsd.org/ports/distfiles/gap/
[DIR]  ftp://ftp5.freebsd.org/pub/FreeBSD/ports/distfiles/gap/
[DIR]  ftp://ftp6.ua.freebsd.org/pub/FreeBSD/ports/distfiles/gap/
[DIR]  ftp://ftp.funet.fi/.m/mirrors2/ftp.gimp.org/plug-ins/v2.0/gap/
[DIR]  ftp://ftp.funet.fi/.m/mirrors2/ftp.gimp.org/plug-ins/v2.2/gap/
[DIR]  ftp://ftp.funet.fi/.m/mirrors2/ftp.gimp.org/plug-ins/v2.4/gap/
[DIR]  ftp://ftp.cosy.sbg.ac.at/debian/pool/main/g/gap/
[DIR]  ftp://ftp.netbsd.org/pub/pkgsrc/pkgsrc-2007Q4/pkgsrc/math/gap/
[DIR]  ftp://ftp.stat.math.ethz.ch/pub/Software/CRAN/web/packages/gap/
[DIR]  ftp://ftp.math.ethz.ch/sfs/pub/Software/CRAN/web/packages/gap/
[DIR]  ftp://ftp.stat.math.ethz.ch/pub/Software/CRAN/src/contrib/Archive/gap/
[DIR]  ftp://ftp.math.ethz.ch/sfs/pub/Software/CRAN/src/contrib/Archive/gap/
[DIR]  ftp://ftp.ural.ru/pub/mirrors/ubuntu/pool/universe/g/gap/
[DIR]  ftp://ftp.st.ryukoku.ac.jp/pub/FreeBSD/branches/current/ports/math/gap/
[DIR]  ftp://ftp.funet.fi/.m/mirrors3/archive.ubuntu.com/pool/universe/g/gap/
[DIR]  ftp://ftp.uni-siegen.de/pub/ubuntu/pool/universe/g/gap/
[DIR]  ftp://ftp.uni-kassel.de/Mirrors/archive.ubuntu.com/ubuntu/pool/universe/g/gap/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/universe/g/gap/
[DIR]  ftp://64.50.236.52/.1/ubuntu/pool/universe/g/gap/
[DIR]  ftp://64.50.238.52/.1/ubuntu/pool/universe/g/gap/
[DIR]  ftp://ftp.cesnet.cz/.vol/archive.ubuntu.com/mirror/ubuntu/pool/universe/g/gap/
[DIR]  ftp://ftp.hosteurope.de/mirror/archive.ubuntu.com/pool/universe/g/gap/
[DIR]  ftp://ftp.ucsd.edu/mirror/linux/ubuntu/pool/universe/g/gap/
[DIR]  ftp://ftp.int-evry.fr/mirror4/ubuntu.com/ubuntu/pool/universe/g/gap/
[DIR]  ftp://ftp.uwa.edu.au/mirrors/linux/ubuntu/pool/universe/g/gap/
[DIR]  ftp://ftp.man.szczecin.pl/pub/Linux/ubuntu-security/pool/universe/g/gap/
[DIR]  ftp://ftp.man.szczecin.pl/pub/Linux/ubuntu/pool/universe/g/gap/
[DIR]  ftp://ftp.vein.hu/pub/linux/distributions/ubuntu/pool/universe/g/gap/