elance.com (and similar sites for freelance projects) would be a starter for many, many business people looking for technical execution of their idea. You can a

elance.com (and similar sites for freelance projects) would be a starter for many, many business people looking for technical execution of their idea. You can also "Ask HN" for any interested developers, presenting first your idea roughly. I don't think there is any need for special "dating" sites here - there is a business to be made, no chitchats with photo exchange are needed ;) Good luck!