VeggieDate.com is a rare haven for those whose diet precludes meat. Members come from all over the globe, and VeggieDate excels at sorting by religious belief, including atheist, Buddhist, and Unitarian. The search engine can also sort by profile keywords.

Unlike many sites, VeggieDate lets you post as well as view complete profiles for free. You pay only when you want to send someone a message, and the service is a steal at $10 for three months or $20 for a year. The catch is that most of the U.S. members live in California, so pickings could be slim in your area.