YAK for WordPress

YAK for WordPress is a shopping cart plugin for WordPress which associates products with weblog entries.
YAK is an open source shopping cart plugin for WordPress. It associates products with weblog entries (in other words, posts), so the post ID also becomes the product code. It supports both pages and posts as products, handles different types of product through categorisation, and provides customisable purchase options (cheque or deposit, basic credit card form, basic Google Checkout integration, standard PayPal integration, PayPal Payments Pro, and Authorize.net).

Detailed installation and configuration instructions can be found by purchasing the YAK Handbook, but basic installation instructions can be found here. If you want to do something more advanced, post a message in the discussion group, or consider buying the Handbook.

The following add-ons of YAK for WordPress are currently available:

YAK Gallery – a gallery plugin for your products
YAK AddInfo – configure additional fields on the final order confirmation
Further discussion can be found in the discussion group (please post bugs or problems you find there). To keep up-to-date with releases, subscribe to the feed, or check the changelog. The bug tracker for YAK can be found here.

Create products from either posts or pages
Downloadable products
Multiple product types — price per type (i.e. small, medium, large) and quantity per type
Order administration — filtering by date, status and order number
Products page with paging (simple alternative to viewing by category)
Configurable shipping (either flat rate or by weight unit)
Configurable shipping address
Configurable countries list
Promotions — percentage or fixed discounts, on shipping or order value
Sales Reports (basic flash charts showing sales, best sellers, etc)
Sales Tax (does not work with Google Checkout)
Support for https (SSL)
Tags for configurable emails
Basic XML feed
Support for multiple shops (function to retrieve product details from another shop)
Checkout/order widget
Customer interface has been translated into a number of languages: Japanese, Chinese, Taiwan Chinese, Thai, Slovakian, Czech, German, French, Italian, Spanish, Norwegian, Swedish
Basic Sales Tax support

The following Payment Options are supported by YAK for WordPress:

Plain page — custom payment such as providing information for your customers to pay by cheque, or direct deposit/debit
Manual credit card — requiring SSL, and a secure hosting environment
PayPal Standard — customers are redirected to PayPal for payments
Google Checkout — customers are redirected to Google for payments (note: Checkout is not fully integrated)
Authorize.net — Authorize’s payments gateway is used to charge credit cards
PayPal Payments Pro — PayPal’s payments gateway is used to charge credit cards
Accounts Receivable

Here is Detailed installation Video Tutorial of YAK for WordPress and of course you can take a look at the other free WordPress Shopping Cart in this post. 

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