Visual Alchemist is described as 'open source web-based database diagramming and automation tool. Visual Alchemist pure html app, so you can simply download the source and host it (with index.html as default)' and is an app in the Development category. There are eight alternatives to Visual Alchemist for a variety of platforms, including Windows, Mac, Online / Web-based, Self-Hosted solutions and Linux. The best alternative is MySQL Workbench, which is both free and Open Source. Other great apps like Visual Alchemist are Laravel Database Designer (Free, Open Source), Navicat Data Modeler (Paid), Model Xtractor (Freemium) and WWW SQL Designer (Free, Open Source).
MySQL Workbench is a unified visual tool for database architects, developers, and DBAs. MySQL Workbench provides data modeling, SQL development, and comprehensive administration tools for server configuration, user administration, and much more.
Free visual data modeling inspection tool for most popular one-way reverse-engineered relational databases. With a generic graphical interface, and auto-generated detailed, structural, relationships, simple, graph or topological models.