Chat Clone (Live Person/Human Click)

We are specifically looking for a chat support system that is already made and would just need to be tweaked for us with any new features. Should be an exact clone of the services below. Source code and future work would be needed. Please supply references, existing chat systems with url and real cost. Send the URL of existing chat sytsem..... [login to view URL] [login to view URL] [login to view URL] ## Deliverables Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. Complete copyrights to all work purchased. ## Platform should work on all browsers. Main admin system should work on Linux/Unix