Yes, both OneDesk and Zoho Projects offer a Free Trial.
OneDesk 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 OneDesk Starts at $12/user/month when yearly whereas for Zoho Projects Starts at $4/user/month when yearly.
Some top alternatives to OneDesk includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Freshbooks, Jira, Wrike, TeamGantt, Teamwork, ProjectManager.com, Backlog, Worksuite, Quick Base, Resource Guru, Jira Service Desk, HelpDesk, HESK, Height and Scopedesk.
Some top alternatives to Zoho Projects includes Quickbase , Smartsheet, ClickUp, Jira, Basecamp, Trello, TeamGantt, ProofHub, monday.com, Asana, Teamwork, ProjectManager.com and Microsoft Project.