Influitive - Influitive helps companies increase customer lifetime value and accelerate sales with the power of their own customer advocates. Inspire your customers to stay longer, share their experiences, and attract new business.

Viral Loops - Viral Loops is a viral and referral marketing platform to launch ranking competitions, sweepstakes, pre-launch and referral programs.

Corsica - Corsica is the gamification app built on Salesforce for Salesforce. 

Yotpo - Yotpo is the smartest way to generate customer content, drive traffic and increase conversions.

CRMGamified Motivation Engine - CRMGamified Motivation Engine is a gamification solution for Microsoft Dynamics CRM .

Swagbucks - Swagbucks is a loyalty program that offers individuals rewards for engaging in various activities. Users can earn reward points for performing Internet searches, purchasing items from affiliated vendors, or completing polls.