The sites listed here have been found to excel in what they do.
We do not often make recommendations but feel totally at ease doing so with the following sites.
Free Reciprocal Link Exchange. Nothing beats a solid old fashioned backlink
Traffic Exchange Network
TEN has been developed to provide new traffic exchanges and already active traffic exchanges with a means to supply traffic to their members submitted sites.
2:1 Manual surf, and get paid to site, with a twist. this site was geared towards mobiles and laptops and marketers on the go. check it out.
Amazing traffic exchange systems and scripts. Our banner exchange was purchased from these guys, all we can say is, WOW.