Green Hills Software TimeMachine + History for C and C++: https://www.ghs.com/products/MULTI_IDE.html https://www.ghs.com/products/MULTI_IDE.html No particular

Green Hills Software TimeMachine + History for C and C++: https://www.ghs.com/products/MULTI_IDE.html https://www.ghs.com/products/MULTI_IDE.html No particularly good publicly visible documentation of the functionality, but it does that and is a publicly purchasable product. They also had TimeMachine + PathAnalyzer from the early 2000s which was a time travel debug with visualization solution, but they were only about as integrated as most of the solutions you see floating around today.