Hi, I have looked out your description and will update you that i will design/develop a gift registry for existing opencart marketplace according to your mentioned points.
Relevant Skills and Experience
I am professional in eCommerce, HTML5, Open Cart, PHP, MySQL, CSS3/jquery/javascript, wordpress, etc. I will design it in simple, responsive and interactive manner which looks awesome.
Proposed Milestones
$400 USD - Development of a Gift Registry and Module Modification