CartHook - Recover abandoned carts with email

Pusher Beams - Send push notifications programmatically at scale

CartHero - Recover abandoned checkouts with SMS, discounts, and customer service

PushOwl - Re-engage website visitors with push notifications

Retainful - Automate Email Marketing & Increase eCommerce Sales Automate your email campaigns in minutes - recover abandoned carts, drive repeat purchases with next order coupons, win-back inactive customers, send order follow-ups, and thank you emails.

Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.