I taught a class on UML / Introductory Java a few years back, and, since it was an intro class, fielded a lot of questions about UML tools.
I still wouldn't really call myself and EXPERT on the subject, but I have looked a few; it seems that, since there seems to be a close relationship between the UML and the Java communities, that most of the tools are written in Java. Ergo, if you're willing to install a Java VM on Linux, you should (theoretically) be able to run most all of them.
Eclipse, which a lotta people seem to like, has a (commercial) plug-in module http://www.omondo.com/product.html to do UML modelling, I've not used Eclipse a lot, but have loaded and looked at on Linux without too much trouble.
On Windows, I looked quite a variety of free tools and used this toolhttp://www.esm.jp/jude-web/en/index.htmlmyself for a project at my last job -- there were no specs and I wanted something cheap (ie, free as in beer) to just get my design thoughts on "paper" in an easily-modifiable form, so that I could brainstorm ... with myself. So it's not, to my mind, AS much of a full-scale CASE tool, if that's what you're looking for, but if you need ONLY what you mention in the O.P. (DB relationship / UML Class diagrams) it should fit the bill pretty well (and you can't beat the price). I found it to be pretty intuitive and stable on Windows. Haven't tried on Linux myself, so YMMV.
OTOH, there's also a F/OSS project to create a more complex and full-featured CASE tool loosely based on UML / the Rational Process here.http://freshmeat.net/projects/argouml/I looked at, and installed, this one as well, but found it to be quite a bit more work -- it's more like a UML process-development tool than anything (ie, very flexible, but a steep learning curve -- and a lot of setup time, AFAICT, even if you already are familiar with it.)
Then there's always the big doghttp://www-306.ibm.com/software/awdtools/developer/rose/unix/in the field ... if you're not all that attached to your (or your employer's) money. (Hey, at least there's a free evaluation, right?)
Hope it helps ...
JOE
On 4/20/05, Jack quiet_celt@yahoo.com wrote:
Does anyone use any CASE tools in Linux? What are the popular choices. I've googled and found quite a few tools out there and was surprised to find a number of dual licensed and commercial CASE tools. My immediate need is for making DB relationship documents.
Brian D.
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