Digital twins are virtual models of physical objects, such as buildings, machines, and systems. Digital twins can be used to simulate and optimize performance, monitor and predict maintenance needs, and improve overall efficiency. Popular digital twin platforms include Siemens Digital Twin, IBM Digital Twin Exchange, and ANSYS Twin Builder. Read more A debugger is a software tool that helps developers find and fix errors in software programs. Debuggers allow developers to step through code, set breakpoints, and inspect memory and variables to diagnose and fix problems.