OpenERP seems quite nice, as does OpenBravo.
if the budget is low I would favor the smaller OpenERP, start by getting 
a copy of the book.
http://www.openerp.com
http://www.openbravo.com
There is also 
www.gnuenterprise.org but that seems to be suffering a 
total existence failure at the moment.
Alan.
Roger Munford wrote:
> I am doing some work for a small company in Southampton who manufacture 
> circuit boards and electronic assemblies. They are looking for an open 
> source software package to help with manufacturing (MRP) as well as more 
> general business activities(ERP?).  There is a student available who is 
> keen to do an ERP project. The solution does not necessarily have to be 
> open source but the company is not in a position to pay a great deal.
> I have searched on the web for a few hours and nothing has emerged as an 
> obvious choice. Does anybody have any advice or links. I don't have any 
> experience in this field but I am keen to help.
>
> Thanks
>
> Roger
>
>
>
>