Build a screen shot monitor clone

Hello, I would like to hire someone to build a a system that works like the site screen shot monitor. This is for a private use and not to be comercialized so i need it to be open source so i can integrate it to my current ERP. it needs to capture screenshots of the employee computer at a determinable interval as well as store them in an admin panel and have reporting like screenshot monitor does. Anyone interersted need to tell me the price for the project in its totality. Technologies that they plan to use and estamated time of delivery.