nCode DesignLife serves as a proactive design tool that pinpoints essential areas and estimates realistic fatigue lifespans based on top finite element (FE) analysis results applicable to both metals and composites. This innovative tool empowers design engineers to enhance their approach beyond basic stress assessments, enabling them to simulate real-world loading scenarios and thereby mitigate the risks of both under-design and over-design in their products, which can lead to expensive modifications later on. Additionally, the software offers features like virtual shaker testing, fatigue analysis for welds, vibration fatigue assessments, crack growth monitoring, fatigue evaluation for composites, and thermo-mechanical fatigue studies. It leverages advanced technologies for analyzing multiaxial stress, weld integrity, short-fiber composites, vibrational impacts, crack propagation, and thermal stress fatigue. With a user-friendly graphical interface, it facilitates comprehensive fatigue analysis using data from leading FEA tools such as ANSYS, Nastran, Abaqus, Altair OptiStruct, LS-Dyna, among others. Moreover, it incorporates multi-threaded and distributed processing capabilities, enabling efficient handling of large finite element models and optimizing overall usage schedules. This powerful combination of features ultimately ensures that engineers can deliver more reliable and efficient designs.