Yes, both ZenTao and Zoho Projects offer a Free Trial.
ZenTao is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Zoho Projects is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ZenTao Starts at $14,900One Time Payment whereas for Zoho Projects Starts at $4/user/month when yearly.
Some top alternatives to ZenTao includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Wrike, Taiga, GitScrum, monday.com, ProjectManager.com, Backlog, Quick Base, Redmine X, Height, Yodiz and Project Insight.
Some top alternatives to Zoho Projects includes Quickbase , Smartsheet, ClickUp, Jira, Basecamp, Trello, TeamGantt, ProofHub, monday.com, Asana, Teamwork, ProjectManager.com and Microsoft Project.