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I need a powerful development manager like Sybase Power Designer or IBM Rational Rose that support use-case, sequence diagram, data flow diagram and ...

Can somebody suggest a good alternative?

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thanks Jorge for tag correction ;) –  Behzadsh Nov 5 '10 at 18:46
    
I change the question, cause I think it wasn't clearly describe what I need! –  Behzadsh Nov 7 '10 at 17:36
    
do you simply want to draw UML diagrams or also generate code or reverse engineer code? –  knb Apr 23 '11 at 19:02
    
Yes I want them, otherwise Dia is a good app for draw diagrams –  Behzadsh May 1 '11 at 4:05

3 Answers 3

Dia install dia

Dia is a diagram editor that can be used to draw flow charts, UML diagrams etc.

Dia

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I already have Gnome Dia, Is this have DFD support? –  Behzadsh Nov 5 '10 at 19:37
    
I don't really know what a data flow diagram is. –  dv3500ea Nov 5 '10 at 19:41
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It does have dfd support, just click on the part where it says flowchart and choose which one you want. –  RolandiXor Nov 6 '10 at 3:35

you can try one of these:

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Netbeans UML plugin was abandoned in version 7. –  sierrasdetandil Feb 1 '13 at 17:21

Also take a look at OpenModelsphere. It is more oriented towards data modeling and can be used for both forward and reverse engineering of physical databases plus it supports a (almost) full range of UML, data modeling and business process modeling diagrams.

Oh, and its GPL v3, so no "community" versions or "non-commercial" or other "Thou shall not ..." restrictions :-)

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