Swokei Email Warmup
7.3#3 in email warmup softwareFrom $42 a monthFree planWeb
VisitSwokei suits web design agencies and freelancers seeking website-based prospect research and personalized outreach. Its free option may fit someone exploring lead generation, but sending requires a paid plan.
Warmbase suits senders preparing inboxes for prospect outreach, from people warming one inbox to high-volume senders and teams. Those managing client inboxes may find its multi-client dashboard and volume pricing relevant.