OSM Who did it: show new edits and who made them. http://simon04.dev.openstreetmap.org/whodidit/

3D OSM http://map.f4-group.com/#lat=-5.4527259&camera.theta=0.9

http://map.f4-group.com/#lat=45.4236127&lon=-75.6987473&zoom=18&ui.showMenuPage=true&menuPage.type=search&menuPage.id=ottawa&camera.theta=59.571

OSM user heat map http://www.yosmhm.neis-one.org/?

OSM user info on their edits http://hdyc.neis-one.org/?