Onesheet CRM is recommended for freelancers, solo entrepreneurs, and small business owners who need a user-friendly CRM solution without the complexity of larger systems. It's ideal for those who are new to CRM tools or who have straightforward customer management needs.
Mailsuite - The best email tracking solution I've found. Free
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.
MailTracker - MailTracker is a mobile email tracking solution.
Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
Unlimited Email Tracker - Track opens and clicks, set reminders and delays in Gmail
Followup.cc - FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.