Yes, both Cirkus and Teamwork offer a Free Trial.
Cirkus is designed for Individuals, Freelancers, Medium Business and Small Business.
Teamwork is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Cirkus begins at $30/User/Month when Billed Yearly, while pricing details for Teamwork are unavailable.
Some top alternatives to Cirkus includes Todoist, Wrike, Smartsheet, TeamGantt, Asana, Teamwork, ProjectManager.com, GanttPRO, nTask, Today, MeisterTask, Teamly, TaskOPad and ClickUp.
Some top alternatives to Teamwork includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Freshbooks, Wrike, TeamGantt, ProjectManager.com, Microsoft Project, ProWorkflow, nTask, Worksuite, Taskworld, Trackboard, Quick Base, Today, Resource Guru, Height and Project Insight.