I think Grace or xmgrace is pretty nice and lightweight:

http://plasma-gate.weizmann.ac.il/Grace/

It's available as a Cygwin package, too, which is convenient.

Most of the users here will be familiar with root:

http://root.cern.ch/

but I daren't say anything else except that it is most assuredly *not* 
lightweight.

Vaibhav wrote:
> Hi,
> 
> I was wondering what Graph software people use for scientific journals et
> c.
> Is there an open source alternative anyone favours or does everyone have
> access to some proprietary software or the other?
> 
> The problem is trying to search on sourceforge and the like turns up such
>  a
> long list of software that its impossible to make a choice. 
> 
> I was looking for something that provided some functionality of matlab an
> d
> excel i.e. take worksheet data, possibly do rudimentary math and most
> importantly produce a clean graph that can be scientifically annotated
> (greek symbols on axes etc) and used in Word/Framemaker.
> 
> I know some proprietary s/ws like 'Origin' do that, but dont know of any
> open source solution?
> 
> Thanks!
> --Vaibhav

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John Haggerty
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