AliInsider - Find Most Profitable Dropshipping Products in a Click! Analyze Competition, Check Saturation of Any Product, Find Top Suppliers & Target Markets.
Tremendous - Tremendous is a customer and employee loyalty platform that allows companies to reward their customers for surveys promotions and referrals.
FindNiche - A free tool for AliExpress and Shopify. You can easily find niche products from your competitors, get latest insights of trending secrets and best-winning dropshipping products on Top Shopify stores and AliExpress drop shippers.
Giftbit - Buy, send and track digital gift cards for your reward and incentive programs.
Pexda - Data-Driven Product Research that Creates First-Mover Advantages
Rybbon - Send digital e-gift cards as marketing incentives or rewards with Rybbon, which integrates with Marketo, HubSpot, SurveyMonkey, and Qualtrics.