1. http://www.oscommerce.com/

osCommerce contributions page contain number of free osc templates, you can download and use following templates:

- Basic Oscommerce Template,

- Basic Pink/Purple Template,

- CSS template for the BTS,

- Skin A, centered 3 column template with switchable color themes,

- Free oscommerce template in the hosting style, could easily be modified to suit any stores theme, nice gradient backgrounds on the infobox header and centred design,

- Garden Gnome Template, another centred design, however this one includes stunning - unique see through imagery, custom made buttons, a customisable logo and much more,

- Green rounded oscommerce template, this is a very simple green oscommerce template. Fixed width and rounded corners.

 

2. Free OSC template from templatemonster.com

Download it from http://www.templatemonster.com/sample/sample_osc.zip

 

3. Free OSC template by itWebSolution

This impactful osCommerce template is available in both MS2.2 and MS2-MAX.

The custom infoxboxes and thumbnail frames make this a truly distinctive template for your shop. The download package includes the orignial PSD graphic file and all of the files needed to run your new store. Just unzip the package on your server and go to the /install directory to configure you new store! Page with template and information here (select Donation to none to free download) http://www.itwebsolution.com/free-oscommerce-template-p-9.html

 

4. osCommerce Templates by Free Templates Online web site 

This free osCommerce template offers you wide variety of options for selling your products. It allows browsing your products by categories and brands. Also a customer can choose necessary color, size and quantity of items. Product photos provide a customer with the basic look of a product. Easy navigation makes the shopping process very simple and pleasant. Without any doubt this is one of the best templates for online shops.

http://www.freetemplatesonline.com/templates/57_50.html

 

5. http://www.vodahost.com/tut_osc.htm

Site contains 18 high quality osCommerce shopping cart templates that are free to all VodaHost members. They are very flexible and can be full customized with your own graphics and text to match the them of your website. Please remember it is free only for VodaHost members.

 

6. http://www.almat-computers.co.uk/oscommerce-themes-c-21.html

Not for free, but at very low prices OSC templates, started from £1.99

 

If I will find more FREE OSC templates I will update this page, but not sure what somebody provide it for free, it is big business and big money, so you can find it at low price but not for absolutelly for free, but who know...