I've made some pretty substantial changes to the alpha sheets behind the scenes, and to the Pathfinder [Legacy] sheet in particular. Please try clearing your browser cache, or post in the Experimental Features forum if there are any issues!
At this point, we highly recommend that all new Pathfinder sheets be created in the alpha and that existing Pathfinder sheets be copied into it via the 'Copy to Sheets Alpha' link in your regular sheet list
One Roll Engine. Wild Talents is the most easily available game using ORE. I mentioned it earlier because I think it's a neat system. However, it's also a bit tricky to build powers for until you get used to it.