Get it here: http://www.dayzoverlay.com/
DayZ Overlay is a set of pages for the Steam overlay web browser, packing everything you need to survive the apocalypse. Access loot maps, crafting & building guides, weapon & vehicle comparisons, our famous sniper guide & personal notepad, and more. All in the Steam overlay, while you play!
Thanks go out to these great DayZ resources:
…and all those survivors who gather the facts, build the things, and share the beans.