Component for joomla 2.5

To go on with my web project I need an application compatible with joomla 2.5 that i can integrate with jomsocial, to offer to the community users the chance of creating dutch auctions ( of goods and services divided by cathegory ) and to grant  companies present in the community the faculty of answering with an offer. A similar software can be viewed at the following link (http://www.thefactory.ro/shop/joomla-components/reverse-auction-factory.html ).  This component is not suitable for my project due to a number of reasons:

1. It is not upgraded to joomla 2.5
2. It is not possible to integrate it with jomsocial

The component I need must satisfy the following requirements:

1. A  plugin to integrate the new component with jomsocial
2. Payments management ( fix rate, commissions, etc )
3. Control panel from website backend

Here follows an example of component integrated with jomsocial with similar functions and layout to the one I need.

http://www.nordmograph.com/en/downloads/details/104/159/groups-crowdfunding/groups-crowdfunding-suite.html