63 Squares

63 Squares provides solutions for brands to use social media more effectively. Create powerful web surveys, create and manage Twitter contests, create a FAQ Page for faster responses on Social Media, manage online/offline events and groups, run voting contest, create coupons, analyze your Twitter feed to find out the best time to tweet and schedule tweets, run a Twitter awards where users nominate and vote by categories, sell products on Twitter via Twitter Auctions.

Screenshots from Chrome Web Store