> apt-pinning FTW! You should take look at OpenSuSE's zypper. - 3 sat solver for dependencies (not just greedy algorithm; If there are conflicts it can propos

> apt-pinning FTW! You should take look at OpenSuSE's zypper. - 3 sat solver for dependencies (not just greedy algorithm; If there are conflicts it can propose you possible solutions that include uninstalling upgrading/downgrading packages) - packages stick by default to the repositories they were installed from - patches (i.e. sets of updated packages to address specific issue) it tells you what was fixed. You can for example only install patches that fix specific security issue, by using --cve opetion. - zypper ps tells you which processes need to be restarted after upgrade to make changes effective - OBS (Open Build System), basically it's like a github for packages. You upload spec files and it generates packages for you. You can fork someone's definitions and make customizations etc. The repo is searchable from http://software.opensuse.org http://software.opensuse.org. This actually supports other distributions and packaging systems, but unfortunately most packages there are for SuSE.