Vertabelo is described as 'Online tool for visual database design. This one web application support seven major database engines: PostgreSQL, MySQL, Microsoft SQL Server, SQLite, Oracle 11g, IBM DB2 and HSQLDB' and is an app in the development category. There are more than 25 alternatives to Vertabelo for a variety of platforms, including Windows, Linux, Mac, Web-based and Chrome OS apps. The best Vertabelo alternative is phpMyAdmin, which is both free and Open Source. Other great apps like Vertabelo are MySQL Workbench, DbVisualizer, DrawSQL and pgModeler.
Schemity is a native desktop ERD (Entity Relationship Diagram) tool for database designers and developers. It works fully offline - no cloud, no account required - with data stored as local JSON files that are version-control friendly.
