Yes, both FunctionFox and Wrike offer a Free Trial.
FunctionFox is designed for Individuals, Freelancers, Medium Business and Small Business.
Wrike is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for FunctionFox Starts at $5/User/Month whereas for Wrike Starts at $9.80/User/Month.
Some top alternatives to FunctionFox includes Trello, Wrike, Smartsheet, Track My Work, Teamwork, ProjectManager.com, Trackboard and TaskBlast.
Some top alternatives to Wrike includes Basecamp, Trello, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project and ProWorkflow.