Hitleap - HitLeap is a web based traffic exchange system for getting free traffic to your website and increasing the extent of engagement with the visitors.
ManyHit - Free Traffic Exchange. $1 Minimum cashout (Payza/Paypal). Earn 10% cash from referral.
Organic Hits - Best website traffic exchange service that helps you to increase visitors and boost Alexa rankings. Get free traffic to your website or blog in just 1 minute!
eBesucher - Discover the web and earn money or book advertising!
Rite.ly - Rite.ly is a Call-to-action (CTA) header that can be used in any page.
Websyndic - Websyndic is an autosurf traffic exchange system, which distributes free visits.