Templates by Email Monster - Hundreds of free, responsive email templates. Pick and edit.

Speedy Newsletter - Create responsive email newsletter templates with an easy-to-use drag and drop editor. No coding skills are required. Start now for free.

MJML - The open source framework for responsive emails

Newsletter Operating System - All-in-one dashboard to launch & grow your newsletter

Stripo - Stripo is an all-in-one email design platform. We enable our clients to build emails of any complexity, including interactive AMP emails, really fast and easy.

Adobe Analytics - Adobe Analytics is an industry-leading solution that empowers you to understand your customers as people and steer your business with customer intelligence.