Nudgify - Nudgify is a Social Proof App that includes FOMO, Urgency and Review Nudges. Adding Social Proof notifications to your site helps you build trust and increase conversions on Shopify, Wordpress or any other platform.
Coupofy - Coupofy is USAs number 1 trustworthy deals and coupons website.
NotificationX - Best social proof and FOMO marketing solution for WordPress to increase conversion rates.
LoveSales - Find and save products you love, get alerted when they go on sale.
Fomo - Fomo turns your site into the online equivalent of a busy store
Giftwhale - Giftwhale allows you to create personalised wish lists online.