A collection of debian/watch files. This collection of watch files will help users update packages themselves before the Debian developer does. http://dehs.alioth.debian.org is ahead of this stalled project. Alioth may be a more appropriate host too.
The Debian's Archive Browser will ease the browsing and searching of package in the _huge_ Debian's Packages list. Written in python, no release yet. keep in touch.
GDPM is GNOME-based graphical manager for Debian packages. It aims to fully replace command-line tools apt-get, apt-cache and dpkg by offering easy way do install, remove, upgrade and browse Debian packages.
Seguro Distributor aims the design of an efficient algorithm that allows the safe distribution of public files, i.g., executables and source code. Files are decryptable with a public key, which is generated by a private key.