Yes, both Visitor Queue and Leadfeeder offer a Free Trial.
Visitor Queue is designed for Large Enterprises, Medium Business and Small Business.
Leadfeeder is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Visitor Queue Starts at $23/Month when Billed Yearly whereas for Leadfeeder Starts at $63/Month.
Some top alternatives to Visitor Queue includes Whoisvisiting, Leady, Leadfeeder, Lead Forensics, Leadinfo, eSales Hub, LeadMine, LeadSift, Dynamic Leads, Lead Revealer and Websitez.
Some top alternatives to Leadfeeder includes LeadBI, Whoisvisiting, Lead Forensics, Leadforms, Leadinfo, LeadMine, Leadenhancer, Dynamic Leads and Lead Revealer.