Boomerang for Gmail Visit Website Visit Website Special productivity app that adds powerful tracking, scheduling, and delivery options to busy Gmail inboxes
Best Sales Software in 2026 GMass An advanced Gmail plugin for deploying complex email marketing campaigns and automating customer follow-up messages at scale Mixmax Automation service that works with Gmail accounts to track messages and offer other services SalesHandy Email tracking system designed for use with Gmail and Outlook for businesses and organizations Mailtrack Email tracking and management app for clients, managing both incoming and outgoing message analytics Salesforce Inbox A smart suite for sales tools that helps you find opportunities, build leads and make sales ContactMonkey Sales Email Tracking An email tracking program that checks to see if internal and external emails were opened or looked at
