RafflePress - RafflePress is the best WordPress contest and giveaway plugin. Grow your email list, followers, and website traffic with viral giveaways in WordPress.
The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.
UpViral - Referral marketing platform enables anyone in running effective and profitable viral marketing campaigns – in minutes.
Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.
Tremendous - Tremendous is a customer and employee loyalty platform that allows companies to reward their customers for surveys promotions and referrals.
Ask Me Help Desk - Ask Me Help Desk is a question-and-answer site.