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Closed 10 years ago.

We re looking for free/cheap or open source UML tools. What tools have you used ? It s OK if there are 2 tools, one each for Flow charts and UML.

If a UML tool or Flow Chart tool is cheap(we re a NON-PROFIT), and no open source is good enough, we re open to look at them.

Answer 1

Simple and easy to use: JudeUML. There is a free Community Edition.

This software is now released as astah community.

Answer 2

It s online, but I think yUML is the best free tool I ve used. I ve used Violet for University work but found it clunky and crash-prone.

yUml only supports class diagrams, activity diagrams and use case diagrams though. Here s an example of its output:

Diagram

Answer 3

StarUML is also a nice one

Answer 4

I use UMLet

Free, AND open source.

Why i like it : all the diagram have a "sourcecode", for exemple a class is "coded" like that.

<<Stereotype>>
Package::FatClass
{Some Properties}
--
-id: Long
-ClassAttribute: Long_
--
#Operation(i: int): int
/+AbstractOperation()/
--
Responsibilities
-- Resp1
-- Resp2

It s handy, and avoid heachache with graphical editor.

Edit : Thanks eric for the precision

Answer 5

There is for example DIA. Also, Visual Paradigm is a commercial UML editor that has a free community edition.

Answer 6

Have a look at Dia

Answer 7

VioletUML for UML diagrams.

Answer 8

To create flowcharts online, I use gliffy

Answer 9

Topcased is integrated to Eclipse and is able to generate code.

Answer 10

ArgoUML could also be an option or, maybe even better, one of the free modeling tools available for the Eclipse enviroment. See: http://modeling-languages.com/content/uml-tools for pointers to Eclipse and fre/open-source tools

Answer 11

For BPMN/Workflow I m using Bizagi Process Modeler.

For UML i m using Enterprise architect but it is not free but the priceis ok if you look what you get. Poseidon UML is ok but suffers when you have a lot of diagrams.

Answer 12

I ve used BOUML before. It is useful for generating Java code from UML class diagrams, if you re into that sort of thing.

Answer 13

For sketching up sequence diagrams this site is excellent: http://websequencediagrams.com/

Answer 14

I have tried a few, but hands down winner for me is Topcased. You can get it at www.topcased.org.

Answer 15

Additional web tools for this task are draw.io, Cacoo and Creately.

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