Yes, both LeadDelta and Visitor Queue offer a Free Trial.
LeadDelta is designed for Medium Business and Small Business.
Visitor Queue is designed for Large Enterprises, Medium Business and Small Business.
Pricing for LeadDelta Starts at $6/Month when Billed Yearly whereas for Visitor Queue Starts at $23/Month when Billed Yearly.
Some top alternatives to LeadDelta includes Leadfeeder, Lead Forensics, LinkedRocket, Lead Connect, Slik, LinkedFusion, LeadBring, Kennected, Linked Booster, LiProspect and Linkedojet.
Some top alternatives to Visitor Queue includes Whoisvisiting, Leady, Leadfeeder, Lead Forensics, Leadinfo, eSales Hub, LeadMine, LeadSift, Dynamic Leads, Lead Revealer and Websitez.