Yes, both FunctionFox and Teamwork offer a Free Trial.
FunctionFox 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 FunctionFox begins at $5/User/Month, while pricing details for Teamwork are unavailable.
Some top alternatives to FunctionFox includes Trello, Wrike, Smartsheet, Track My Work, Teamwork, ProjectManager.com, Trackboard and TaskBlast.
Some top alternatives to Teamwork includes Wrike, Smartsheet, TeamGantt, Zoho Projects, ProjectManager.com, Microsoft Project, ProWorkflow, nTask, Worksuite, Taskworld, Trackboard, Height and Project Insight.