MJML - The open source framework for responsive emails
Bites - Ready to use modals and popups
Growthmysales - Increase e-commerce sales, grow email lists, and engage visitors effortlessly with our 5-minute simple popup builder.
Freebiebucket - Curated free tools & resources for makers 🛠
Email Design System for Sketch - Sketch file with 10 email templates for designers
Oceanos - Oceanos is a contact data management solution.