There's a bunch of packages I usually try to keep off of most of my systems.
This includes most of the GNOME stuff with names ending in "Kit" (PackageKit, PolicyKit and ConsoleKit), but also other GNOME-related bloat like NetworkManager, PulseAudio, systemd and DBus.
For systemd there is the fine set of prevent-systemd-* packages from Mirabilos at http://users.unixforge.de/~tglaser/debs/debidx.htm, so I'm using those. This source packages includes similar packages for those annoying tools, Mirabilos hasn't yet appropriate prevention packages.
The repository contains source code for the following packages:
TODO
All those metapackages are usually also available from my APT repository.