DBMS supporting graph, document, full-text and geospatial models
SequencePlugin for IntelliJ IDEA
an Open Source BPMN 2.0 / DMN 1.1 Modeler
Syntax tree editor for rapid annotation of existing text
is low code bpm platform, which is easy to install and easy to use
A cross-platform integrated CASE system
The Umple Model-Oriented Programming Technology
Support variant based Java program execution, adapted to support MDE.
A Database System for Metamodeling and Method Engineering
https://github.com/citerus/dddsample-core
Open-source code generator for Simulink/Stateflow
Database ERD- design tool with Reverse Engineering
Write, check, index and diagram Z specifications in Microsoft Word.
Modeling tool supporting UML, BPMN and other standards
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
ER Databese Model