This little snippet will give you a new little window for all those recent applications you launch – I seem to have picked up a habit for closing applications down when I stop working with them for an hour or two (pages etc.)

$ write com.apple.dock persistent-others -array-add \
    '{ "tile-data" = { "list-type" = 1; }; "tile-type" = "recents-tile"; }'
$ killall Dock