I think it's also worth mentioning Piper, Critique, and the infamous monorepo.

[1] Piper: https://en.wikipedia.org/wiki/Piper_(source_control_system)

[2] Crituque: https://books.google.com/books?id=V3TTDwAAQBAJ&pg=PA399#v=on...

[3] Monorepo: https://dl.acm.org/doi/10.1145/2854146