Open House/Rental Visit Planner. Among other uses, this planner is useful for people looking for a place to rent or buy. You enter in addresses of the places you want to see and the time(s) during which those places are available for you to see. Then click a button and you get a personalized itinerary. That simple!

Follow this link to try it: <coming soon. this was the old OHVue.com that we will be relaunching, hopefully under Google java apps.>

For the geek-minded: this is a heuristic solution of TSP-TW (Travelling Salesman Problem with Time Windows).