footprint is a tool that makes it easier to create and manage kickstart files. It allows you to define systems, create profiles for systems, and macros per distribution. It can create kickstart files on the fly, make custom initrd (ramdisks), create custom bootfloppies, and can manage your DHCP and PXE configuration.
DeltaRPM is a tool that generates RPMs that contains the difference between an old and a new version of an RPM. This makes it possible to recreate the new RPM from the deltarpm and the old one. You don't have to have a copy of the old RPM, as it can also work with installed RPMs. The package also contains tools for creating and applying delta ISOs.
DYE is the Do-it-Yourself Embedded Environment Framework, a cross-development uClib-based toolchain and base system framework which is composed of the required source tarballs and patches and scripts to build the whole thing. The main goal is having total control about all pieces assembled for an embedded environment, starting from the toolchain and using a very easy and customizable set of Bash scripts to do everything.
Paludis is a package manager for Gentoo (and derived distributions) and Exherbo. It consists of a core library and a number of console-based clients. Package formats supported include Gentoo ebuilds and kdebuilds (as defined by the Package Manager Specification), the Exherbo exheres-0 format, and various miscellaneous utility pseudo-formats for managing accounts, unwritten and unavailable packages, and packages for which no package exists.
SWDIST is a framework for software distribution, automated installation, and patch and configuration management. SWDIST is designed to support any package based Linux system. The actual implementation is tested for SUSE Linux only. It minimizes costs for roll-outs, updates, and configuration management. It provides consistent management of install and configuration sources. It supports an unlimited combinations of distributions, third-party software, patches, and architectures.
Origo is a software development and collaboration platform. It provides services that help develop software, such as source control management, issue tracking, wiki, release management, chat, blog, and forum. It uses an API to unify different tools and provides a common way to stay informed about changes in your projects. The API also allows you to integrate other tools into the plaform easily.