Yes, both EDraw Max and Terrastruct offer a Free Trial.
EDraw Max is designed for and Small Business.
Terrastruct is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for EDraw Max Starts at $99/Year whereas for Terrastruct Starts at $4.99/Month.
Some top alternatives to EDraw Max includes Miro, FigJam, MindManager, SmartDraw, Gliffy, Microsoft Visio, Creately, Lucidchart, DrawSQL, Quick Diagram, diagrams.net and yEd Graph Editor.
Some top alternatives to Terrastruct includes Miro, FigJam, SmartDraw, Gliffy, Microsoft Visio, DrakonHub, Creately, Lucidchart, AutoCloud, Isoflow, Quick Diagram and diagrams.net.