Best Referral Programs - A curated directory of startup referral programs
Skuuudle - Discover, match and monitor your eCommerce competitors.
ReferralMagic - Turn your users and customers into referral magnets.
Price2Spy - Price2Spy is a price monitoring, pricing analytics, and repricing tool, meant to help eCommerce professionals keep an eye on their competitors or retailers.
Viral Loops - Viral Loops is a viral and referral marketing platform to launch ranking competitions, sweepstakes, pre-launch and referral programs.
BuiltWith - Find out the technology behind websites