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AffiliateWP - A powerful affiliate marketing solution for WordPress.
Viral Loops - Viral Loops is a viral and referral marketing platform to launch ranking competitions, sweepstakes, pre-launch and referral programs.
Promocate - Create and manage your affiliate program in minutes, Test your hypothesis, pick the winning result and drive more affiliate revenue.
Referral Candy - Run a fully automated, customizable and easy to integrate referral program for ecommerce.
Echo - Golang HTTP server framework
Girafi - Get more from your website visitors. Referrals, feedback, e-mails & more.