Record and Replay Framework
There's rr, which was made by the same people who makes Pernosco IIRC.
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Java Visualizer-like tool within IDE
2 projects | reddit.com/r/learnprogramming | 21 Sep 2022
1 project | reddit.com/r/ProgrammerHumor | 20 Sep 2022
Backward debugging (reverse step)
1 project | reddit.com/r/golang | 3 Sep 2022
Reverse Debugging and Other Stories
2 projects | news.ycombinator.com | 23 Aug 2022
Heisenbugs: The most elusive kind of bug, and how to capture them with Perfect Replayability
1 project | reddit.com/r/vale | 1 Jul 2022