The WHMCS Bridge plugin integrates your WHMCS support and billing software into Wordpress providing a seamless and consistent user experience to your customers.
Thanks to the theme inheritance feature, you donít need to style your WHMCS installation anymore, the integration ensures that your WHMCS installation looks and feels like your WordPress site.
And the good thing is that the basic version is completely free!
Of course, if you're a hosting pro and want to take it a step further, then WHMCS Bridge Pro is for you!
Thanks to the single sign-on feature your customers can sign in once on your site and comment on your blog postings, share information with their peers, order hosting plans and pay their bills.
Don't wait any longer, try WHMCS Bridge or WHMCS Bridge Pro now: http://www.zingiri.com/plugins-and-addons/whmcs-bridge