1. Software comprising instructions stored on a computer readable medium, the software operable when executed to: receive a request for a class associated with an application executing in a runtime framework, where the request is received via a customized framework starter associated with at least one customized library; identify a customized library storing at least one customized class associated with the application, where each customized class comprises a modified version of a standard class associated with the runtime framework, and wherein the customized library is associated with and decoupled from the runtime framework; identify a path to a customized class residing in the customized library when the customized class corresponding to the requested class is included in the customized library; and automatically load the customized class corresponding to the requested class to implement the application using the runtime framework.