1. A computer program product comprising a machine-readable storage medium storing instructions that, when executed by at least one programmable processor, cause the at least one programmable processor to perform operations comprising: displaying, within a business application being executed in a business application inspection and modification environment, an inspection and modification window; listing, within the inspection and modification window, application code relating to a current navigation point within the business application; receiving, via one or more user inputs, modifications to the application code; and executing the business application from the current navigation point to test how the received modifications to the application code affect operation of the business application.