autofsck (for disk check at shutdown, not startup)
Wicd Network Manager
doxygen, graphviz (needed for doxygen)
alias gnome-terminal='xterm' # or the other way around
vm.oom-kill = 0
I got this and a lot of other useful information related to oom-killer from this forum. But most of what is said there regarding oom-killer configurations does not apply to Ubuntu 10.04.