Open source UML tools
Aug 14, 2014 Dia Diagram Editor is free Open Source drawing software for Windows, Mac OS X and Linux. Dia supports more than 30 different diagram types like flowcharts, network diagrams, database models. More than a thousand readymade objects help to draw professional diagrams. Top 10 free database tools for sys admins. MacOS User Interface solution extends the ConceptDraw DIAGRAM functionality with powerful GUI software graphic design features and tools. It provides an extensive range of multifarious macOS Sierra user interface design examples, samples and templates, and wide variety of libraries, containing a lot of pre-designed vector objects of Mac Apps icons, buttons, dialogs, menu bars, indicators. ConceptDraw PRO is a software that provides Free Uml Tool For Mac. Visual Paradigm for UML (ME) Mac OS X - Visual Paradigm for UML is an easy-to-use UML tool that supports reverse engineering, code generation, import Rational Rose, export/import XMI, report generator, shape editor, etc.Visual Paradigm for UML is a professional UML tool that. Jordi Cabot, in a previous answer, mentioned the Eclipse tools. I would like to point out Papyrus (Papyrus projects.eclipse.org), based on the Eclipse modeling tools. Being based on Eclipse, Papyrus will work on the Mac as well as many other pla. This is an open source free UML modeling tool and it supports all UML 1.4 diagrams. This is capable of running on Java platforms as well as is available in 10 languages. This works on Mac OS X of version 10.3 or later. It allows for export diagrams like SVG, EPS, PGML, PNG and GIF.
BOUML
BOUML is a free UML 2 tool box allowing you to specify and generate code in C++, Java, Idl, Php and Python. (GPL)
Linux - FreeBSD - Windows - MAC OS X
Gaphor
Gaphor is a UML, SysML, RAAML, and C4 modeling application written in Python. It is designed to be easy to use, while still being powerful. Gaphor implements a fully-compliant UML 2 data model, so it is much more than a picture drawing tool. You can use Gaphor to quickly visualize different aspects of a system as well as create complete, highly complex models. (Apache)
Linux - Windows - MAC OS X
Modelio
Modelio is an open source modeling environment. Modelio delivers a broad-focused range of standards-based functionalities for software developers, analysts, designers, business architects and system architects. (GPL)
Cross-platform
Easy Uml Tool
Papyrus
Papyrus is aiming at providing an integrated and user-consumable environment for editing any kind of EMF model and particularly supporting UML and related modeling languages such as SysML and MARTE. (EPL)
Cross-platform
Umbrello
Umbrello UML Modeller is a Unified Modelling Language diagram programme for KDE. (GPL)
Linux - FreeBSD
UML Designer
UML Designer provides a set of common diagrams to work with UML 2.5 models. The intent is to provide an easy way to make the transition from UML to domain specific modeling. (EPL)
Cross-platform
Umple
Umple is technology for Model-Oriented Programming. It adds abstractions such as UML associations, attributes, and state machines to object-oriented programming languages such as Java, PHP and Ruby. (MIT)
Uml Diagram Software Mac
Free Uml Editor
Cross-platform
7 applications