Yes, both monday.com and Thoughtflow offer a Free Trial.
monday.com is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Thoughtflow is designed for Individuals, Medium Business and Small Business.
Pricing for monday.com Starts at $9/user/month when monthly whereas for Thoughtflow Starts at $5/Month when Billed Yearly.
Some top alternatives to monday.com includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Basecamp, Trello, Wrike, ProofHub, Asana, Teamwork, ProjectManager.com, Microsoft Project, Taskworld, Quick Base and Zoho Cliq.
Some top alternatives to Thoughtflow includes KnowFlow, Focusplan, Mindomo, MindManager, GroupMap, MindMup, NovaMind, MindMaster, Thinkspace and Rumin.