Dating

Personality matching of couples on 29 dimensions that determine long-term success. eHarmony

Largest dating site in the world. Personal ads with photos, anonymous email, advice and date ideas. Match

Yahoo! Personals is the world's second largest online dating service. Yahoo! Personals

Engage is a social dating site where singles meet new people through introductions from their extended network of friends. Engage

100% Free online dating and matchmaking service for singles. Plentyoffish