LPMtool aims to be a complete package management and software distribution solution. It includes basic command line and PyGTK-based utilities for installing and removing packages, as well as tools to publish Web-based package repositories that use a GPG-based web-of-trust security model.
Gendist is a live CD generator system. It has nice features like multi-distribution CDs, support for grub, isolinux, and gfxboot boot managers, and a modules system for configuring your distribution in live mode. This system is independent from the kernel version (but need unionfs and squashfs support). It only works on Debian Sid or Ubuntu Dapper.
gxInstall is a software installer for Linux. It allows you to create installation packages that are self-extracting, support multiple languages, support uninstallation, create menu items and a desktop icon, and have an overhead size of only 50 kb. It has GUI (GTK 2) support, and is completely script-based, flexible, and easy to use. It does not use RPM, pkg, etc.
Sisopen is a tool to list and extract the content of SIS files. SIS files are installation files used in Symbian-based smartphones like many S60 Nokia phones. Sisopen is an ANSI-C program, mainly targeted at Linux and other Unix-like systems. It can be compiled on almost every system with a C compiler and zlib. Sisopen fully understand the SIS file format and is able to show conditionals, installation-time options, and much information about the SIS file, not just the file names.
PHP Tarbackup is a simple class that allows backing up an entire Web site. It automatically works around timeout limits by splitting the job into multiple requests, allows tarball archive creation and updates, and comes with the Veloce script, which is very useful to automatically unpack tar.gz archives remotely and skip long waiting times due to FTP uploads.
dpkg-du is a script to produce a dump of the installed size of Debian packages in du format. This is to enable ease of reuse with pre-existing scripts administrators may have to deal with 'du' format lists. For example, dpkg-du|sort -n|tail -10 will show the 10 biggest packages on your system.