VoodooPad gets its share of TUAW screen space, and it's one of the few apps that's always open on my desktop. As one of the original "personal" wikis, VoodooPad has a simple aesthetic and a great feature set for organizing and linking your important information, notes and everything from bookmarks to movies. It's a great desktop information manager, and as of last week, a great iPhone app, too.
VoodooPad for iOS is simple, but it makes a great little wiki for iPhone and iPad. It probably has significantly more appeal to users of the desktop version than to people who just want a wiki on their iPad. It lacks some of the features that m