Yes, both Wrike and OpenProject offer a Free Trial.
Wrike is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
OpenProject is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Wrike begins at $0/user/month when monthly, while pricing details for OpenProject are unavailable.
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.
Some top alternatives to OpenProject includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Freshbooks, Jira, Wrike, Taiga, Asana, Teamwork, ProjectManager.com, Microsoft Project, Leantime, Worksuite, Quick Base, Resource Guru, Redmine X, Height and RedmineUP.