ShortStack is described as 'Create unique landing pages, run social contests, send emails and analyze results (no coding required)' and is an app. There are more than 10 alternatives to ShortStack for a variety of platforms, including Online / Web-based, Facebook, SaaS, WiX.com and GoDaddy. The best alternative is FBAPP.US, which is free. Other great apps like ShortStack are Woobox, Tabfoundry, Trisocial and Pagemodo.
We offer an array of free Facebook apps and tabs to help you customize and brand your page, add links to your other social media profiles, and round out your presence on the world’s most popular social networking site.
Trisocial offers a large platform of Facebook applications and services for social media marketing.
Trisocial powerful and intuitive suite has many Facebook apps and allows to create social campaigns , contests, trivials, coupons.