ViralSweep - Grow your fans and increase sales with sweepstakes and giveaways.

Gleam - Marketing apps designed to help you grow your Business

Retweet Picker - Retweet Picker is an online tool that is helping you to select the random winner from Twitter for the giveaways.

SweepWidget - Run contests, viral giveaways, sweepstakes, leaderboard competitions, and instant rewards campaigns. Quickly grow your email list, social media followers, website traffic, and qualified leads.

KingSumo - Grow your audience with viral giveaways that cut marketing costs

Socialman - Fast, simple and efficient tool for running giveaways in multiple social media channels.