slackroll is a package or upgrade manager for Slackware Linux. It is designed to work with official mirrors in systems mainly composed of official packages with a few unofficial packages. It lets you automatically upgrade or install packages, and displays which packages have been added or removed from the Slackware tree.
m23 is a software deployment system for Debian GNU/Linux that allows you to install and administrate hundreds of clients via network. It can partition and format clients and install Debian, (K/X)Ubuntu, Linux Mint, Fedora, OpenSuse, and CentOS operating systems on your virtual and physical clients. Group functions allow the comfortable update and installation of further packages during operation. Mass installation functions simplify your administration chores. m23 has a Web interface. Backup functions are implemented for server and clients.
Unattended installation of several Linux(kickstart,preseed,autoyast) and Windows(2000,XP,2003,2003R2,Vista,7,8,2008,2012). Features: inventory, software management, dhcp-ldap, dns-ldap, php-ssh, syslog-ng, rsyslog, switch managment, ldap browser, pxe manager, central cron management, license management.
PerlAutoInstaller (PAI) is a software deployment tool. You can use it to deploy a large range of applications silently for your users from a centrally managed server. The main advantages of PAI are automatic udapte of agents from the server, high security level using the HTTPS protocol, and a certificate authority to restrict software deployment to your company. PAI can manage a group of clients. No database backend is needed. All output from an installation attempt is returned to the server so that you can see why an installation failed.