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, Zoho Projects, 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.