Giant companies like Google and Meta use alternatives to Git for their internal / closed-source code, because Git couldn't scale to their needs. If I recall cor

Giant companies like Google and Meta use alternatives to Git for their internal / closed-source code, because Git couldn't scale to their needs. If I recall correctly, Google transitioned from Perforce to an in-house system, and Meta transitioned from using Mercurial to a custom derivative of it. Again, no one size fits all...