bubulindo:
Doesn't internal R&D qualify Eagle to be used? You're not making money out of it and if eventually goes into production, you can always buy the Eagle license.
I don't think so. Doing internal R&D in a business is still a commercial activity even if you're not making any profit from it, so its not keeping with the spirit of the free license.
Try DesignSpark PCB or KiCAD If you want a free PCB package.