This widget allows you to create Paypal buttons that can be used for donations and payments.
display a progress meter of donations towards a monthly or yearly goal
This plugin insert Paypal button (pages, posts).
Web Invoice lets you create and send web invoices and setup recurring billing for your clients.
This plugin is including the Flattr button in your RSS/Atom feed.
There are some more options to extend Flattr functionality like optional autosubmit
A plugin that allows you to sell printable gift certificates for your service based business. Requires Paypal/Paypal IPN.
Easily add custom Flattr widgets to your posts and pages using shortcodes!
Accept donations from your readers via AlertPay, Moneybookers and/or PayPal.
An easy to use PayPal e-commerce solution with only downloadable goods in mind, hassle free installaton and many configurable settings.
List active shortcodes on post edit page with drag and drop to post. Includes a few simple shortcodes.
A full fledged search widget for wp e-commerce with grid view. NO GOLD CART REQUIRED.
Easyfileshop enables you to sell files as downloads. Easyfileshop is easy to use and easy to integrate.
RSS link for this tag.