Bug fixes / feature extend existing OSX app

I have some simple Mac utilities that I have been selling for some time. Sales volumes are small as of late, I lost my developer and the apps have not had any bug fixes or improvements for almost 6 months. I need someone who can crack them open and fix them. I'm flexible on payment structure - could be flat fee, hourly or commission on the apps. There are 3 primary apps. 1 app is a video ripper 1 app take PDF screenshots of websites 1 app is a [login to view URL] plugin I'm a good marketing guy, with a good market and reputable brand. I need a ninja OSX / cocoa programmer to team up with. [login to view URL]