Yes, both Canva and Lucidchart offer a Free Trial.
Canva is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Lucidchart is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Canva Starts at $9.99/Month when Billed Yearly whereas for Lucidchart Starts at $0.
Some top alternatives to Canva includes Looka, Adobe XD, Figma, Adobe Photoshop, Adobe Photoshop Express, CorelDraw, Adobe Illustrator, Picmaker, Filmora and Designmaker.
Some top alternatives to Lucidchart includes Miro, FigJam, SmartDraw, Gliffy, Microsoft Visio, Creately, EDraw Max, DrawSQL, Quick Diagram, diagrams.net, Lucidscale and HackerDraw.