Yes, both Redmine X and Backlog offer a Free Trial.
Redmine X is designed for Large Enterprises, Medium Business and Small Business.
Backlog is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Redmine X Starts at $2.60/user/month whereas for Backlog Starts at $29.16/Month when Billed Yearly.
Some top alternatives to Redmine X includes Quickbase , Smartsheet, Miro, Process Street, Notion, Wrike, TeamGantt, monday.com, Teamwork, ProjectManager.com, Microsoft Project, Backlog, Planio, RationalPlan, Quick Base, ClickUp, Height and RedmineUP.
Some top alternatives to Backlog includes Quickbase , Smartsheet, Miro, Process Street, Notion, Jira, Wrike, TeamGantt, FogBugz, Teamwork, ProjectManager.com, Trackboard, TaskBranch, Quick Base, ClickUp, TestRail, Height and Project Insight.