Rebel extensions developed by Archetype Software are available in Extension Registry. This extension is an advanced Java code generator. It enables modeling and code generation for Java Persistence API/Hibernate, Spring, Spring Data and Jackson. Besides other features, it preserves your changes to the generated source code. For more information, please visit here (https://archetypesoftware.com/). Thanks to Archetype Software.

Django extensions developed by José Miguel are available in Extension Registry. This extension support to generate Django model code from UML model. This extension is open source and hosted on Github (https://github.com/josemlp91/staruml-django). Thanks to José Miguel.

ERD Generation extension developed by Krisztian Kurucz is available in Extension Registry. It supports to generate ER Data Model from database schema. This extension is open source and hosted on Github (https://github.com/kkrisz1/staruml-reverse-db). Thanks to Krisztian.

Protogen extension developed by Pranav Sathyanarayanan is available in Extension Registry. This extension generates protocol buffers based on Entity Relationship Diagrams. This extension is open source and hosted on Github (https://github.com/PranavSathy/staruml-protogen). Thanks to Pranav.

PostgreSQL extension developed by Adrian Andrei is available in Extension Registry. It allows you to generate DDL from ERD model to PostgreSQL DDL. This extension is open source and hosted on Github (https://github.com/adrianandrei-ca/staruml-postgresql). Thanks to Adrian.

TypeScript extension developed by Thomas Min is available in Extension Registry. It allows you to generate code from UML model to TypeScript code. This extension is open source and hosted on Github (https://github.com/yeoupooh/staruml-typescript). Thanks to Thomas.

PanesManager extension developed by David Oudart is available in Extension Registry. It adds two buttons in the statusbar of the interface (bottom bar) to toggle the Sidebar (left pane) and the Navigator (right pane) of the window. This extension is open source and hosted on Github (https://github.com/pixdad/PanesManager). Thanks to David.

DDL (Data Definition Language) generation extension developed by Minkyu Lee is available in Extension Registry. It allows you to generate DDL from a data model (ERD). This extension is open source and hosted on Github (https://github.com/niklauslee/staruml-ddl).

An extension for generating getters and setters developed by Minkyu Lee is available in Extension Registry. It allows you to generate getters and setters for selected attributes or selected classes. This extension is open source and hosted on Github (https://github.com/niklauslee/staruml-gettersetter).