Yes, both Todoist and Visitor Queue offer a Free Trial.
Todoist is designed for Large Enterprises, Medium Business and Small Business.
Visitor Queue is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Todoist Starts at $4/Month when Billed Yearly whereas for Visitor Queue Starts at $23/Month when Billed Yearly.
Some top alternatives to Todoist includes Trello, Wrike, Smartsheet, Teamwork, nTask, Microsoft To Do, Remember The Milk, TickTick, Any.do, MeisterTask, ClickUp and TasksBoard.
Some top alternatives to Visitor Queue includes Whoisvisiting, Leady, Leadfeeder, Lead Forensics, Leadinfo, eSales Hub, LeadMine, LeadSift, Dynamic Leads, Lead Revealer and Websitez.
