Financial Economic Calander and Currency converter

We are looking for developers who can develop Financial Economic Calander which will be used at our website and it can be also used by other webesite with our website reference "Powered by: Mak Technologies" . We are also interested to get developed Currency converter to convert all major world currecies to each other, this will be also used at our website and can be used by other website owners with our website link, make sure for these both utilities no one could be able to change script or hide our company link and could not change anything unless which will be allowed to do so, colours, font and sizes etc. It will convert real time rates for all currencies.