ERDplus is an online tool designed for database modeling that facilitates the creation of entity-relationship diagrams (ERDs), relational schemas, and Star schemas. Accessible via its website at http://erdplus.com, this platform is especially useful for students and professionals in fields related to data management, computer science, and software engineering. ERDplus supports various aspects of database design, allowing users to graphically represent database structures and generate diagrams that can be exported for further use. The tool is appreciated for its user-friendly interface and functionality, which aid in the conceptual and logical design of databases, enhancing understanding and documentation of complex data relationships and constraints.