Undo is a software company that specializes in advanced debugging and developer tools for complex software systems. Their primary product, LiveRecorder, enables developers to record, rewind, and replay program execution to better understand and resolve software bugs. This tool is particularly beneficial for companies building safety and mission-critical systems, as it helps improve software reliability and reduces time spent on debugging. Undo's solutions are designed to integrate seamlessly with existing workflows, offering powerful insights into program behavior.