Easy mail merge for Gmail. MergeMail lets you use Gmail and Google Sheets columns to personalize, send, and track mass emails. - Create and use email templates within Gmail - Track email opens and clicks - Compare the performance of multiple campaigns and templates - Add UTM codes to links to measure conversion rates - Pull data from almost any product (Salesforce, Mailchimp, etc) into a Google Sheet and then send personalized email using MergeMail - Collaborate with team members on templates and campaigns Send up to 50 emails per day for free. It's the best alternative to Gmass and YAMM (Yet Another MailMerge).