LinkConnector is described as 'Industry choice network giving access to innovative affiliates, global Internet retailer brands, expert support & technologies to grow your affiliate program'. There are more than 25 alternatives to LinkConnector, not only websites but also apps for a variety of platforms, including Self-Hosted solutions, SaaS, Wordpress and iPhone. The best alternative is Avangate. It's not free, so if you're looking for a free alternative, you could try Bytemart.org or Commission Junction. Other great sites and apps similar to LinkConnector are ShareASale (Paid), Blink (Paid), ClickBank (Free) and Refersion (Freemium).
With the iTunes affiliate program you can link to media on the iTunes Store, the iOS App Store, the Mac App Store and the iBook Store and earn commissions from purchases made via those links, but creating affiliate links can be time-consuming and fiddly.
Post Affiliate Pro runs an entire affiliate program from top to bottom, with the exception of processing the financial transactions. However, most payment processors and shopping carts can be fully integrated with Post Affiliate Pro.