You can generate barcode images on the fly with this PHP script. Use it on your web pages or save it to a file. It supports Code 39, Code 93, Standard 25, Interleaved 25, PostNet & Royal Mail 4-State. Control over almost all aspects
Developer: Walter Cattebeke Platform: linux, windows, freebsd Date upd:2004-10-20 Hits10510 [Download] [Visit]

Use PayPal IPN system to automate delivery of digital goods (mp3, ebooks, pdf, graphics) to customers. Sell physical goods as well as well as digital downloads. Product items may be displayed using a shopping cart system where the Buy buttons are automatically generated. Buy
Developer: Paul Gibbs Platform: linux, windows, freebsd Date upd:2006-08-14 Hits6425 [Download] [Visit]

Clover Shop is written in the world's most popular web scripting language, PHP, and it uses MySQL. The scripts can easily be copied to your web server and they provide webmasters with a core engine around which they can design a professional looking shopping
Developer: Clover Wheel Ltd Platform: linux, windows, freebsd, osx, sun Date upd:2006-05-22 Hits662 [Visit]

If you sell downloadable software, music or any other digital products using Paypal, especially on Ebay, Download Now can make life easier for you.
Developer: mj Platform: linux, freebsd Date upd:2006-01-04 Hits1960 [Visit]

This script will allow you to sell a digital product using a PayPal
Developer: mrict.co.uk Platform: Unix, Windows Date upd:2004-08-16 Hits2368 [Download] [Visit]