Yes, both Backlog and Microsoft Project offer a Free Trial.
Backlog is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Microsoft Project is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Backlog Starts at $29.16/Month when Billed Yearly whereas for Microsoft Project Starts at $10/User/Month.
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 Microsoft Project includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Freshbooks, Jira, Basecamp, Microsoft PPM, Trello, Wrike, monday.com, Asana, ProjectManager.com, Worksuite, Projectworks, RationalPlan, Quick Base, Resource Guru and Resource Management by Smartsheet.