Twin directories of gcal:

[DIR]  ftp://ftp.mimuw.edu.pl/People/gcal/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/universe/g/gcal/
[DIR]  ftp://ftp.linux.it/debian/pool/main/g/gcal/
[DIR]  ftp://134.121.1.1/.snapshot/nightly.3/pub/gnu/gcal/
[DIR]  ftp://134.121.1.1/pub/gnu.OLD/gcal/
[DIR]  ftp://134.121.1.1/.snapshot/nightly.2/pub/gnu/gcal/
[DIR]  ftp://134.121.1.1/.snapshot/nightly.1/pub/gnu/gcal/
[DIR]  ftp://134.121.1.1/.snapshot/nightly.0/pub/gnu/gcal/
[DIR]  ftp://134.121.1.1/.snapshot/hourly.1/pub/gnu/gcal/
[DIR]  ftp://ftp.cesca.es/mirror2/gnu/gcal/
[DIR]  ftp://ftp.cesca.es/mirror/debian/pool/main/g/gcal/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian/pool/main/g/gcal/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/gnu/gcal/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian/pool/main/g/gcal/
[DIR]  ftp://aeneas.mit.edu/pub/gnu/gcal/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/main/g/gcal/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/main/g/gcal/
[DIR]  ftp://debian.lcs.mit.edu/debian/pool/main/g/gcal/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/universe/g/gcal/
[DIR]  ftp://ftp.kfki.hu/pub/linux/debian/pool/main/g/gcal/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/deskutils/gcal/
[DIR]  ftp://ftp.skynet.be/mirror1/debian.org/pool/main/g/gcal/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/software/gcal/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/gnu/www/software/gcal/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/ftp/gnu/gcal/
[DIR]  ftp://ftp.prz.rzeszow.pl/pub/debian/pool/main/g/gcal/
[DIR]  ftp://ftp.prz.rzeszow.pl/pub/gentoo/portage/app-misc/gcal/
[DIR]  ftp://ftp.3logic.net/.1/debian-archive/pool/main/g/gcal/
[DIR]  ftp://ftp.3logic.net/.1/debian/pool/main/g/gcal/
[DIR]  ftp://ftp.uic.nnov.ru/pub/Linux/Debian/debian-amd64/pool/main/g/gcal/
[DIR]  ftp://ftp.uic.nnov.ru/pub/Linux/Debian/debian/pool/main/g/gcal/
[DIR]  ftp://ftp.wustl.edu/pub/linux/distributions/debian/pool/main/g/gcal/
[DIR]  ftp://ftp.nz.debian.org/debian/pool/main/g/gcal/
[DIR]  ftp://ftp.nz.debian.org/gentoo-x86-portage/app-misc/gcal/
[DIR]  ftp://ftp.nz.debian.org/ubuntu/pool/universe/g/gcal/
[DIR]  ftp://ftp.uni-stuttgart.de/pub/mirror/ftp.de.debian.org/debian/pool/main/g/gcal/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/ubuntu/pool/universe/g/gcal/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/debian-mirror/debian/pool/main/g/gcal/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/gnu/gnu/gcal/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-src/pkgsrc/time/gcal/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040711.1811/time/gcal/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040716.0710/time/gcal/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040121/time/gcal/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040131/time/gcal/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/ports/deskutils/gcal/
[DIR]  ftp://ftp.mcs.vuw.ac.nz/_mnt/pub/packages/gnu/gcal/
[DIR]  ftp://ftp.port80.se/ubuntu/pool/universe/g/gcal/
[DIR]  ftp://ftp.port80.se/debian/pool/main/g/gcal/
[DIR]  ftp://ftp.cs.iastate.edu/pub/linux/debian/pool/main/g/gcal/
[DIR]  ftp://134.121.1.56/pub/gnu/gcal/