Ruffle - An open source Flash player
RafflePress - RafflePress is the best WordPress contest and giveaway plugin. Grow your email list, followers, and website traffic with viral giveaways in WordPress.
Write.as - Publish a thought in seconds
UpViral - Referral marketing platform enables anyone in running effective and profitable viral marketing campaigns – in minutes.
Bond - A simple app that reminds you to keep in touch with people
Tremendous - Tremendous is a customer and employee loyalty platform that allows companies to reward their customers for surveys promotions and referrals.