Gmail Mail Merge - Send personalized emails with attachments
Dynamically Personalized Emails by QGraph - Hyper-personalized emails for E-commerce
Inbox Grader by Freshworks - Free metrics 📈 for your business and team email ✉️
Dynamic Campaigns by Sigstr - Share the most relevant content in every email
PushMarket - Automate personalized emails for ecommerce (YC15)
Tropical.io - Connect your CRM and other sources (Mailchimp, Unbounce, GoToWebinar, Uservoice, and more) and we tell you which leads are hot