Polymail Sequences - Simple, powerful multi-stage email campaigns
Design Principles - An open source repository of design principles and methods
MailChimp Snap - Send simple, photo-based email campaigns from your phone.
UX Research Field Guide - Your map to the world of UX research 🌏🕵️♀️
GMass - GMass allows you to easily schedule emails, send out mass emails and mail merge campaigns and more with Gmail! Click here to learn about more features!
Business-Driven Digital Product Design - A guide on how to create influential user experience