Yes, both productboard and Follab offer a Free Trial.
productboard is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Follab is designed for Medium Business and Small Business.
Pricing for productboard Starts at $20/User/Month when Billed Yearly whereas for Follab Starts at $7/Month.
Some top alternatives to productboard includes Aha!, Roadmunk, ProdPad, ProductPlan, Jira, Productroad, ProductFlare, Next Please, airfocus and IdeaPlan.
Some top alternatives to Follab includes User Insights, Team Insights, Qualified, GetFeedy, Workvivo, Frill, Reveall, Tagai, Nolt, IFTTT, Prodsight and Intact.