A system, method, and computer program product are provided for software testing project design and execution utilizing a mockup. In use, at least one software testing project to design is identified. Additionally, at least one mockup of the at least one software testing project is generated. Further, one or more testable items associated with the at least one mockup are defined. In addition, one or more test cases associated with the at least one mockup are generated. Furthermore, the one or more test cases are linked to the one or more testable items. Moreover, the at least one mockup including the one or more test cases linked to the one or more testable items is displayed. In one embodiment, a status of the one or more test cases may be updated according to a test execution within the at least one software testing project. Furthermore, at least one defect may be linked to every mockup that showed one or more errors within and/or outside a defined testable item.