Not sure if this is sort of what you are looking for.
This is based, I believe, on Zephyr's OSS accounting package.

(shrinkwrapped) Callisto - $80.00
http://www.redrocketconsortium.com/Callisto/index.html

There is a more complex version offered by these people
(which is the descendent of Zephyr's package),
but you said you wanted something simple.

There used to be several OSS accounting packages, but
I haven't really been keeping track of them. Wouldn't 
surprise me if the good ones have gone commercial.

HTH,
Brian

> -----Original Message-----
> From: Charles Steinkuehler
> 
> 
> I've got a simple project I'd like to keep track of parts and vendors 
> for, which seems like a pretty simplistic setup for a small database.
> 
> I'm just looking to keep track of ~100 part numbers, and quotes from 
> multiple vendors (with various price-breaks) for those parts.
>