Another great resource for New Jersey genealogy is on Reclaim the Records! I donate to this group because they are fighting to get back our records that belong to the public. They are working on many states but New Jersey marriage and death indexes are there already and they're working on more!
Fascinating legal history here! Especially the history of divorce in the US.
Ireland has now opened their genealogy website with tons of databases for free!
Northern Ireland too:
Family Search - free free free! Build your tree, search records, learn, contribute, and much more.