Yes, both DrawERD and Gliffy offer a Free Trial.
DrawERD is designed for Large Enterprises, Medium Business and Small Business.
Gliffy is designed for Large Enterprises, Medium Business and Small Business.
Pricing for DrawERD Starts at $5/Month whereas for Gliffy Starts at $8/Month when Billed Yearly.
Some top alternatives to DrawERD includes Miro, FigJam, Gliffy, Microsoft Visio, Creately, QuickDBD, Lucidchart, DrawSQL, AutoCloud, Quick Diagram, diagrams.net and ERD Lab.
Some top alternatives to Gliffy includes Miro, FigJam, SmartDraw, Cacoo, Microsoft Visio, DrakonHub, Creately, Lucidchart, EDraw Max, DrawSQL, Quick Diagram and diagrams.net.