Browse free open source UML tools and projects for Windows below. Use the toggles on the left to filter open source UML tools by OS, license, language, programming language, and project status.
ER Databese Model
UML modeling tool derived from StarUML compatible with Windows 7-10
an Open Source BPMN 2.0 / DMN 1.1 Modeler
Write, check, index and diagram Z specifications in Microsoft Word.
Modeling tool supporting UML, BPMN and other standards
A free cross-platform editor for the DRAKON visual language.
Elegant mongodb object modeling for node.js
TensorFlow.js is a library for machine learning in JavaScript
ECLiPSe Constraint Logic Programming System
SYSMOD4MD is a plugin for the modeling tool MagicDraw (aka Cameo)
Object-oriented equation-based modelling and optimisation software
Keras code and weights files for popular deep learning models
DBMS supporting graph, document, full-text and geospatial models
Probabilistic programming in Python