Heyo - Use Heyo to easily create Sweepstakes, Contests, and Campaign apps that publish to Mobile, Facebook, and anywhere on the web.
Votigo - Votigo offers social media marketing and promotions software that allows marketers to enlarge their audiences through social contests.
Woobox - Woobox helps you easily create powerful contests, sweepstakes, coupons, and more to grow your fans...
Gleam - Marketing apps designed to help you grow your Business
PromoSimple - Want to create great contests, sweepstakes and giveaway campaigns? Do this easily with custom designs, great integrations and campaign analytics. Try now!
ShortStack - Shortstack is a website that allows you to create viral online events for your social media followers or other online audience.