Yes, both Todoist and Microsoft Project offer a Free Trial.
Todoist is designed for Large Enterprises, Medium Business and Small Business.
Microsoft Project is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Todoist Starts at $4/Month when Billed Yearly whereas for Microsoft Project Starts at $10/User/Month.
Some top alternatives to Todoist includes Trello, Wrike, Smartsheet, Teamwork, nTask, Microsoft To Do, Remember The Milk, TickTick, Any.do, MeisterTask, ClickUp and TasksBoard.
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.