Yes, both ClickUp and Calldrive offer a Free Trial.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Calldrive is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ClickUp Starts at $7/User/Month when yearly whereas for Calldrive Starts at $39.99/Month.
Some top alternatives to ClickUp includes Basecamp, Trello, TeamGantt, Asana, Teamwork, ProjectManager.com, ProWorkflow, nTask, Todoist and Height.
Some top alternatives to Calldrive includes Leadtosale, ChatFlow247, Dynamic Leads, Qualified, Workvivo, Click2Contact, LiveCall, CallPage, Novocall, LimeCall, IFTTT and SnapCall.