Yes, both Yazira and nTask offer a Free Trial.
Yazira is designed for Large Enterprises, Medium Business and Small Business.
nTask is designed for Individuals, Freelancers, Medium Business and Small Business.
The starting price of Yazira begins at $9/User/Month, while pricing details for nTask are unavailable.
Some top alternatives to Yazira includes Todoist, Wrike, Smartsheet, TeamGantt, Teamwork, ProjectManager.com, nTask, RationalPlan, Today, Teamly, ClickUp, Height and Canvasrs.
Some top alternatives to nTask includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Wrike, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Trackboard, Quick Base, Today, MeisterTask and Height.