Yes, both Crocagile and Wrike offer a Free Trial.
Crocagile is designed for Large Enterprises, Medium Business and Small Business.
Wrike is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Crocagile Starts at $2.50/User/Month whereas for Wrike Starts at $0/user/month when monthly.
Some top alternatives to Crocagile includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Freshbooks, Wrike, monday.com, Teamwork, ProjectManager.com, Microsoft Project, OpenProject, Worksuite, Projectworks, Trackboard, TaskBranch, Quick Base, Project.co, Resource Guru and Project Insight.
Some top alternatives to Wrike includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Basecamp, Trello, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project and ProWorkflow.