apt-mirror

APT sources mirroring tool
A small and efficient tool that lets you mirror a part of or
the whole Debian GNU/Linux distribution or any other apt sources.
.
Main features:
* It uses a config similar to apts <sources.list>
* It's fully pool comply
* It supports multithreaded downloading
* It supports multiple architectures at the same time
* It can automatically remove unneeded files
* It works well on overloaded channel to internet
* It never produces an inconsistent mirror including while mirroring
* It works on all POSIX compliant systems with perl and wget