Pick-a-Date allows you to set up a meeting, and have others enter their initials in a calendar on the days they are available. The day selected by the most people is highlighted, hopefully making it easier to narrow down the day for your meeting.
I made the first version of Pick-a-Date after getting fed up with yet another e-mail trying to schedule a meeting. "Put the initials next to the dates you can make it, and e-mail back." --Madness, to be sure. Rather than complain, I figured the onus is upon me to create a solution.
Pick-a-Date is free for use. If you find it useful, feel free to tell others, or even drop me a line. Actually, hit me back with suggestions, thoughts or problems: pickadate [at] anadaru.com.