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.

Komiko - Komiko is a sales intelligence solution to drive sales, retention and expansion.

MJML - The open source framework for responsive emails

Mailtrack.io - The best email tracking solution I've found. Free

Unlayer - Embeddable email editor and page builder for SaaS and CRMs

EmailGreen - EmailGreen is a web-based email marketing and comprehensive CRM solution that is created to help organizations and companies manage their contacts and execute all the valuable campaigns as well as optimize social media channels among other so they c…