Chris' APT Repository Builder (CARB) is an easy to use Perl script (and couple of modules) that takes a bunch of Debian packages (preferably including the .dsc package description files) and makes a repository that can be added to your apt.conf file.

Releases

Official releases	Date	Size	Links	Status
0.1	2008-Mar-12	18.3 KB	Download Release notes	Recommended for Unstable