Shoppy - Automatically get order notifications & summaries in Slack
Customer.io Slack Action - Send notifications into Slack, based on user activity
Analyzify - Google tag manager and analytics app for your Shopify store
Customer.io - We make it easy to send emails triggered by user behavior. Build, measure and improve your emails to activate and retain users
Baremetrics for Shopify Partners - Subscription analytics & insights for Shopify app developers
OneSignal Push Notifications for Shopify - Abandoned cart, automated campaigns, robust analytics.