Yes, both Accelo and ClickUp offer a Free Trial.
Accelo is designed for Large Enterprises, Medium Business and Small Business.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Accelo Starts at $24/User/Month when Billed Yearly whereas for ClickUp Starts at $7/User/Month when yearly.
Some top alternatives to Accelo includes Quickbase , Smartsheet, ClickUp, Scoro, Wrike, ManagePro, Asana, Teamwork, ProjectManager.com, ProProfs Project, Microsoft Project, GanttPRO, ProWorkflow, ProgressBoard and Quick Base.
Some top alternatives to ClickUp includes Basecamp, Trello, TeamGantt, Asana, Teamwork, ProjectManager.com, ProWorkflow, nTask, Todoist and Height.