Yes, both Backlog and Zoho Projects offer a Free Trial.
Backlog 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 Backlog Starts at $29.16/Month when Billed Yearly whereas for Zoho Projects Starts at $4/user/month when yearly.
Some top alternatives to Backlog includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Wrike, TeamGantt, FogBugz, Teamwork, ProjectManager.com, Trackboard, TaskBranch, Quick Base, TestRail, Height 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.