Yes, both Thinkspace and Thoughtflow offer a Free Trial.
Thinkspace is designed for Large Enterprises, Medium Business and Small Business.
Thoughtflow is designed for Individuals, Medium Business and Small Business.
Pricing for Thinkspace Starts at $10/User/Month when Billed Yearly whereas for Thoughtflow Starts at $5/Month when Billed Yearly.
Some top alternatives to Thinkspace includes CollaborateCloud, Zoho Connect, Airtable, ClickUp, mi.team, Google Workspace, Board, CoLab, Collabtools, Sparkin and Wide Ideas.
Some top alternatives to Thoughtflow includes KnowFlow, Focusplan, Mindomo, MindManager, GroupMap, MindMup, NovaMind, MindMaster, Thinkspace and Rumin.