A system method and non-transitory computer readable medium implemented as programming on a suitable computing device, the system for inversion of control of executable extensions including a run-time environment configured to push data to one or a plurality of extensions, wherein said one or plurality of extensions are configured to comprise one or a plurality of signatures. Wherein said one or a plurality of extensions are compilable, designable and testable outside of the run-time environment, and wherein the run-time environment may be configured to accept an extension and to push data to that extension as per said one or a plurality of signatures.