Funnelfly - A simple, affordable, and powerful sales and marketing automation platform for startups.
Mailtrack.io - The best email tracking solution I've found. Free
Saleshandy - Saleshandy is a cold email outreach platform that enables marketing and sales teams to scale their email outreach operations seamlessly.
Unlimited Email Tracker - Track opens and clicks, set reminders and delays in Gmail
MailTag - MailTag is your all-in-one free Chrome extension for email tracking, scheduling, and auto follow-up.
MailTracker - MailTracker is a mobile email tracking solution.