Yes, both Mission-X and ClickUp offer a Free Trial.
Mission-X is designed for Large Enterprises, Medium Business and Small Business.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Mission-X Starts at $7.99 whereas for ClickUp Starts at $7/User/Month when yearly.
Some top alternatives to Mission-X includes Smartsheet, Miro, Process Street, Wrike, Notion, Teamwork, ProjectManager.com, Microsoft Project, ApuTime, VisionProject, Projectworks, Quick Base, ClickUp, Mission Control, Height and Project Insight.
Some top alternatives to ClickUp includes Basecamp, Trello, TeamGantt, Asana, Teamwork, ProjectManager.com, ProWorkflow, nTask, Todoist and Height.