THESE ADD-ONS ARE JUST FOR ZEN CART VERSION 1.3.8 AND 1.3.9
FOR ZEN CART 1.5.0 PLEASE CHECK HERE

Quickbooks Import QBI

QBI lets you import your Zen Cart orders, products, and customers directly into Quickbooks. Features like product mapping, automatic recognition of shipping methods, and support for sales tax, discount coupons, and online payment gateways automate the process and vastly speed up your order fulfillment. The wide range of configuration options, and the comprehensive manual with extensive screenshots, help you to get it up and running quickly.
Adsense Control Center
This contribution is a simple, flexible and powerful solution for handling adsense advertisement units in your site's pages.

Main Features:

- create and save as many ad/link units as you like
- ads can be activated/deactivated for fine grained control of ad combinations
- select which page or pages to display each ad unit on
- select which position of the page to display the ad unit (i.e.left/right column, header, footer)
- select the order of the ad unit if it is inside a column
- able to add color styling directly via admin
- can add multiple ad units per page and position
- easy to use admin section with tips for creating ad units.

Amazon Inventory Loader

The Amazon Inventory Loader creates a product feed of your products for upload to Amazon.com. Amazon uses the UPC/ISBN included for each product to create your products listing. No descriptions or product titles are required.
AutoFacebook
AutoFacebook automatically updates your store's facebook page whenever a new product is added via your admin backend. AutoFacebook is easily integrated with AutoTweet.
AutoTweet
AutoTweet automatically updates your Twitter followers whenever you add a new product to your store. It will tweet your product's name as well as a shortened URL to the specific product's page without you having to do all the work.

Social Bookmarking

This mod allows you to add submission buttons for four popular social bookmarking/social shopping websites to your pages. The link anchor text is made up of the product name and your shop name, and the link has the zenid removed for safety. Following the pattern of this modification, it's easy to add other social bookmarking sites as well.
Site wide, category & product mark up
It allows you to have a site wide percentage or specific $ amount mark up, category mark up and product specific mark ups all at the same time!! It will be located under the config menu on the admin panel

SMS On Sale

This mod will send a text message to your cell phone when you get an order. The message will contain the name of the person who sent the order and the amount of the order.

Contest System

This contribution creates a Column Box 'Enter To Win' for placement in your left or right column of your site inviting visitors to enter the contest by clicking 'Enter Our Contest'.
Once a visitor clicks on 'Enter Our Contest' they are taken to the contest page.

eBay Exporter

This mod exports a CSV file for use with Seller Manager Pro and Turbo Lister 2.0.

Google Analytics

This module allow you to integrade the advanced e-commerce Analysis provided by the
Google service named Google Analytics.

Google Base (Froogle) Feeder

This mod exports a file for use with Google Base.

SitemapXML

This Script generates an Sitemap as described here:
http://www.sitemaps.org/

Snap Affiliates

Snap Affiliates is an open source affiliate module for Zen Cart. It's designed to be simple to use, familiar to Zen Cart store owners, and tightly integrated with the existing Zen Cart database. It features:
* Integration with the Zen Cart customer and order databases. There are no separate databases or software to maintain.
* Universal affiliate links. Affiliates can link anywhere into your Zen Cart store and still receive credit for sales; from the front page down to individual items.
* Direct administrator control over affiliate participation. Affiliates must apply to the program, be accepted by the administrator, and can be suspended at any time.
* Email notification of important events, for both affiliates and the affiliate administrator. This includes payment notification, participation requests, and account suspension.
* Display of detailed order history, for both the affiliate and the administrator.
* Variable commission rates.