Cold Email Hacks - Proven cold email templates and tactics for B2B startups
Bluetick.io - Personal touch at scale for all your follow-up emails
Cold Email Analyzer by Mailshake - Real-time analysis of email subject lines and copy
FlowUp - AI-Enabled Omnichannel Automated Lead Follow-up System
Cold Email Generator - Quickly create a 5-touchpoint email campaign
Rebump - Automatic follow up emails. Keeps on bumping until you get a reply.