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UML Tools

The Unified Modeling Language (UML) is a standard language for specifying, visualizing, constructing, and documenting the artifacts of software systems, as well as for business modeling and other non-software systems. The UML represents a collection of best engineering practices that have proven successful in the modeling of large and complex systems. The UML is a very important part of developing object oriented software and the software development process. The UML uses mostly graphical notations to express the design of software projects. Using the UML helps project teams communicate, explore potential designs, and validate the architectural design of the software.

For a great introductory tutorial of UML visit http://atlas.kennesaw.edu/~dbraun/csis4650/A&D/UML_tutorial/index.htm

Tool
Open Source / Non-Proprietary
5124
Acceleo
Acceleo is a code generator transforming models into code (MDA approach).
9650
AmaterasUML
a Java-based open source free UML modelling tool, follows the UML standard. Can forward and reverse engineer Java code. Eclipse Public License -v 1.0 EPL.
8342
ArgoUML
a Java-based open source free UML modelling tool, closely follows the UML standard. Can reverse engineer Java code[2] (Plugins available for other languages, inc. c#). BSD license.
3714
Astade
a platform-independent UML-tool for generating C++, based on wxWidgets.
2419
ATL
a tool which can transform UML models into other models. Available from the Eclipse M2M project (Model to Model). ATL is part of the AMMA platform.
8279
BOUML
multi-platform UML 2.0 toolbox. Can generate C++/Java/IDL/PHP/Python and reverse engineer C++/Java/PHP[3]. Very high performance (written in C++ with Qt). Licensed under the GNU GPL.
4347
Dia
a GTK+/GNOME diagramming tool that also supports UML (licensed under the GNU GPL)
4574
Eclipse
with Eclipse Modeling Framework (EMF) and UML 2.0 (meta model without GUI) projects.
9915
Eclipse Uml2Tools
GUI for the Eclipse UML2 Implementation with 5 diagram types
2459
EctoSet Modeller
according to its developer, is a Windows-based UML tool with scripting for forward engineering. Scripts are provided for generating Delphi, C++Builder, Java and VB code. Available in Professional and Standard versions, plus a free read-only viewer.
2916
Fujaba
Acronym for "From UML to Java And Back Again". Allows modeling behaviour using story diagrams.
3575
Gaphor
a GTK+/GNOME UML 2.0 modeling environment written in Python
5427
gModler
gModeler is a free online UML diagramming and documentation tool, targetted at developers working with ECMA 262 languages such as FlashMX's Actionscript, and Javascript.
1594
Hierarchy
Hierarchy is an application and API to graphs Java class inheritance relationships.
4016
JointJS - NEW!!!
JavaScript diagramming library
2217
Kivio
Part of the KOffice Project.
2060
MetricView Evolution
a tool for metrics-based quality-analysis and better comprehension of UML models
2622
Modelio
Modelio is a new and Open source modeling environment tool
3399
MonoUML
Based on the latest Mono, GTK+ and ExpertCoder. Can reverse engineer executables and .NET assemblies.
4038
NClass
an open source UML-based class diagram editor for the C# and Java programming languages.
3294
NetBeans
available in NetBeans 6.0 full edition, or as a downloadable plugin in Plugin Manager, or with NetBeans IDE 5.5 Enterprise Pack
3942
Papyrus
an open source UML2 tool based on Eclipse and licensed under the EPL (www.papyrusuml.org). See also Topcased below.
4132
PlantUML
Tool to quickly draw UML diagrams using a simple and human readable text description.
5282
PyUML
Graphical UML Editor plugin for Eclipse based on Eclipse UML2Tools that supports Python roundtrip, views and live validation
4325
StarUML
an open-source UML/MDA platform for Microsoft Windows, licensed under a modified version of GNU GPL, mostly written in Delphi
2211
Taylor
model-driven architecture "on rails" (licensed under the GNU LGPL)
2843
TextUML Toolkit
A UML modeling tool based on a textual notation.
4475
TinyUML
open-source UML 2 diagramming tool implemented in Java, requiring Java SE 6 or later
2881
Topcased
Set of eclipse-based open source model editors, transformation and formal verification tools. Modelling languages include SysML. Development sponsored by European aerospace manufacturers. A merge with Papyrus is in preparation (2007).
6526
Umbrello UML Modeller
part of KDE. Forward- and reverse-engineering for C++/Java/Perl/PHP/Python and other programming languages.
3702
UML Pad
a UML modeller written in C++/wxWidgets (licensed under the GNU GPL)
1604
UML Pad (PalmOS)
a UML tool for PalmOS
6054
UmlDesigner
A .NET based UML tool supporting generation of C# code.
3991
UMLet
a Java-based UML tool (licensed under the GNU GPL)
3199
UmlGraph
Am open source tool suite, which allows the declarative specification and drawing of UML class and sequence diagrams.
1875
UniMod
A tool which adapts SWITCH-technology for UML notation.
3078
Use Case Maker
a use cases management tool (licensed under the GNU LGPL)
3649
Violet UML Editor
an easy-to-use Java-based UML Editor; fully integrated into Eclipse; licensed under the GNU GPL
2511
Xholon
an open source tool that transforms, simulates and executes models developed using third-party UML 2.0 modelers
3374
yEd
A freely available cross-platform, general-purpose diagramming software.
Commercial/Proprietary
2341
AgileJ StructureViews
Custom reverse-engineered class-diagrams � Java/Eclipse/XP. (Formerly marketed as "Modelistic".)
3266
Altova
UModel: GUI UML editor, supports UML 2.1, code engineering in Java, C#, and Visual Basic, imports and exports XMI
2798
Apollo for Eclipse
Supports UML 2.0 and Java 5. Integrates with the Eclipse IDE
3193
ARTiSAN Studio
Supports UML 2.0 and SysML.
3167
Astah (FKA. JUDE)
Light-weight system design tool supports UML 2.x, Mind Mapping, ERD, Flowchart, CRUD, DFD and Requirement diagrams all in one, works for multi-platform. Comes with three editions, Astah Professional, UML and Community. Astah Community is free to use.
3127
BLU AGE
BLU AGE™ is an Eclipse Built-In MDA™ compliant software workbench that enables 100% automated transformation of your UML 2.0 diagrams into Java EE and .Net Enterprise business applications.
3230
Blueprint Software Modeler
Blueprint Software Modeler FREE Community Edition A free and powerful UML software modeling tool implemented according to the latest UML2.1 standard; integrated with and built on top of the Eclipse3.2 IDE.
3129
Borland Together
Visual Modeling for Software Architecture Design. UML modelling tool, integrated with Eclipse and with MS VS.NET 2005. Supports UML 2.0 and MDA, OCL, MOF.
2832
Cadifra UML Editor
Cadifra UML Editor - The Fast UML Tool for Windows. $30 Dollars
3227
CaseComplete
Use Case and Requirements management tool including Use Case diagrams. $595 Per License
3090
ConceptDraw 7
ConceptDraw PRO is a professional software product designed for creating detailed UML diagrams. A large number of libraries with ready-made objects for UML diagrams and task-oriented templates let you create UML diagrams of any complexity without effort. $249.
1330
Creately
A web based diagram software to draw flowcharts, UML diagrams, network diagrams and many more diagram types
1486
Diagramly
Diagramly is a completely free online diagramming application.
3013
EDraw Soft
Edraw UML Diagram is ideal for Software developers and program managers who need to illustrate and interpret software application relationships, actions, and connections using the Unified Modeling Language (UML) notation. $49.95 USD
3588
Enterprise Architect
Enterprise Architect is a comprehensive team-based modeling environment, helping organizations analyze, design, test and construct reliable, well-understood systems.
3484
eRequirements
free web-based requirements-management tool
2985
GatherSpace
Online/On-Demand Use Case and Requirements Management
4579
Gliffy
Create and share a class diagram, sequence diagram, or any UML diagram with free UML diagram software.
1399
Grapholite
Online and desktop diagramming tool
3658
iDUNGU
Web-Based UML, BPMN and Database diagramming solution
2795
Konesa
Canyon Blue's collaborative modelling tool
2194
Lucidchart
Online diagramming tool
2788
MacA&D
UML and requirements-management for Mac OS X
2538
MagicDraw UML
UML 2.0 tool with forward- and reverse-engineering and support for many plugin products for MDA. Integrates with many IDEs, including Eclipse and NetBeans. Supports SysML.
938
MaintainJ
MaintainJ automatically generates UML sequence and class diagrams for a single use case for Java applications.
2386
MasterCraft (software)
a suite of tools from Tata Consultancy Services Limited which support object-oriented analysis and design using UML for development of MDA-based application-software. The tool-suite consists of IDE-based modelers which allow for UML-based modeling.
2193
Metamill
a round-trip UML tool for C++, C# and Java. Runs under Windows and Linux.
3458
MicroGOLD WithClass
UML modeling tool that can generate code and reverse engineer C++, Java, Delphi, VB, IDL, Perl, PHP, C#, and VB.net. Works with EJB.
1893
Microsoft Visio
a diagramming tool that also supports UML
1777
MyEclipse
An Eclipse-based IDE. Professional Edition includes UML solutions
1683
Objecteering
provides complete coverage of model-driven development (UML 2.0, MDA). A free (as in beer) edition is available.
1701
OmniGraffle
built specificallyand exclusivelyfor Mac OS X. It may be used to create diagrams of any complexity, flow charts, org charts, and illustrations
1555
Omondo
Eclipse 3.2 plugin. Implements UML2.1, uses JDK 5
1568
OptimalJ
a model-driven development environment for Java
1583
Pacestar UML Diagrammer
Generate UML 2.0 diagrams quickly and easily. Develop, document, and communicate your designs in a systematic yet flexible AND commonly understood notation.
1909
Poseidon for UML
Commercial version of ArgoUML - supports UML 2.0. Comes in Community, Standard, Professional, and Embedded Editions (Free, $249, $875, and $2,590).
1796
PowerDesigner
by Sybase; supports UML 2.0, data-modeling, business-process modeling - round trip engineering
759
PragmaDev
PragmaDev is a privately held company based in Paris France that provides a set of modeling and testing tools for the development of real time and embedded software: "Real Time Developer Studio" and "MSC Tracer".
1859
Rational Rose
by Rational Software (sold to IBM in 2003); supports UML 1.x.
1486
Rational Rose XDE
an "eXtended Development Environment" in the tradition of Rational Rose; supports UML 1.x
2734
Rational Software Architect
Eclipse-based UML 2.0 tool by the Rational Division of IBM
1474
Red Koda
Red Koda is an easy to use UML authoring tool. It supports 13 UML2 diagrams. With short-cut keys and auto resize, you can finish your diagrams faster and faster. It's free for non commercial use.
2241
RISE
RISE is a free information modeling suit for system development using UML Class Diagrams or ERD. Database code generation for MySQL, PostgreSQL and Microsoft SQL Server. Persistence code generation for C# and PHP including both SOAP and JSON style web services and AJAX proyx code.
1458
SDMetrics
a UML-design quality-measurement and design-rule-checking tool that works with all tools that support XMI
1490
Select Architect
a UML/MDA platform for Microsoft Windows, running on a scalable repository it integrates with Eclipse and VS.NET
1376
sinelaboreRT
generates human readable c-code from state-charts especially targeting embedded systems
2943
Sketchboard.Me
Simple Sketch UML & Notes application. When just words are not enough.
1184
SketchClass for iPad
An IPAD app for creating UML class diagrams
1750
SmartDraw
General purpose diagramming platform for Microsoft Windows that also supports UML-diagrams $197 for a single user.
1778
System Architect
supports UML integrated with other notations and methods in an Enterprise Architecture environment.
1573
Telelogic Rhapsody
supports UML 2.0 and SysML for embedded and real-time systems markets
1460
Telelogic TAU
supports UML 2.0 and SysML
2794
TopCoder UML Tool
tool designed and developed entirely by the TopCoder Community to model sequence, class, use case, and activity diagrams. Free and open-source but with a specific license agreement
1583
Trace Modeler
an easy-to-use and smart editor for UML sequence diagrams. It's lightweight, portable and ensures diagrams are always visually pleasing and structurally correct. 30 sec demo
1765
UML Lab
Modeling tools offering a fully flexible and eclipse integrated next-gen round-trip engineering. Supports UML 2.1.
3185
Use Case Studio
A use-case authoring tool by Rewritten Software. Use Case Studio is the world's first word processor specifically designed for authoring use cases.

Free for educational use.
2177
Visual Paradigm for UML
supports UML 2.1, data modeling, business modeling and reverse engineering of source code and databases
2027
Visual Use Case
Use Case and Diagramming tool
1649
Visustin
Visualize your source code with flow charts and UML Activity Diagrams.
1741
WinA&D
UML and requirements management for Microsoft Windows
1535
yalips
modeling tool that also supports brainstorming and gantt project management
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