This article covers this history of vcs, and the current standard, git, but I wish it had a section about other approaches and apps, like perforce, Google's mon

This article covers this history of vcs, and the current standard, git, but I wish it had a section about other approaches and apps, like perforce, Google's monorepo tooling, pijul, PlasticSCM + Unity, or Facebook's Eden. All of these alternatives have reasons for existing, and I would have enjoyed reading more about them.