DataRobot
Yes, both Mermaid Chart and CardBoard offer a Free Trial.
Mermaid Chart is designed for and undefined.
CardBoard is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Mermaid Chart Starts at $80.00per user / year when Billed Yearly whereas for CardBoard Starts at $8.50/User/Month when Billed Yearly.
Some top alternatives to Mermaid Chart includes and undefined.
Some top alternatives to CardBoard includes Collaboard, Miro, FigJam, StoriesOnBoard, SmartDraw, Gliffy, DrakonHub, FlowMapp, diagrams.net, FeatureMap, Board and HackerDraw.
