Coderway.net - Unlimited creative options
Shoppy - Automatically get order notifications & summaries in Slack
GoSquared & Slack - Traffic spikes and user notifications sent straight to Slack
Customer.io - We make it easy to send emails triggered by user behavior. Build, measure and improve your emails to activate and retain users
ClippingMagic.com - Remove image backgrounds online. Make backgrounds transparent, white, etc. Edit, crop, rotate, fix colors, add shadows, all you need for great photos!
OneSignal Push Notifications for Shopify - Abandoned cart, automated campaigns, robust analytics.