Here is what you are looking for: http://scriptsez.net/?action=details&cat=Affiliate+Programs&id=1171743974
What type of traffic exchange are you interested in? Something like http://hit.goldencube.com/ ? banner exchange image banner flash banner text ad start page exchange exit exchange popunder exchange popup exchange autohits exchange ppc search engine paid email program unlimited safelists unlimited rotators
this maybe late response as i have just signed up here, but if you need traffic exchange, surf-ad exchange script or safelist, viral mailer script there are many options, we provide a complete website package for those kind of sites.
If you're interested in previous script mentioned, don't buy it at full price. It's available with important discount at http://scriptsoutlet.com/offer/goldencube-traffic-exchange-script/
Hitleap clone script has been released with all feathures including admin panel. Script link + demo: Visit: http://wscriptz.com
new hitleap clone script : http://hitleapscript.com/ another traffic exchange script: http://codecanyon.net/item/traffic-exchange-exchanger/6094695