Diagram Designer is a vector graphics editor that allows you to create UML class diagrams, illustrations, flowcharts and slide shows. Developed by Meesoft
License: Free
Mindomo offers a robust feature set with real-time collaboration, cloud storage integration, and a user-friendly interface, making it ideal for team-based projects and presentations. In contrast, Diagram Designer is a simpler tool focused on offline diagram creation, suitable for individual users seeking cost-effective solutions.