What is gitjoin? gitjoin is an open-source command-line tool that turns many Git repositories into one virtual monorepo. It joins independent repositories into a single, navigable working tree without rewriting history, without submodules, and without forcing teams to consolidate their codebases. Why a virtual monorepo? A virtual monorepo gives you the developer-experience benefits of a monorepo — one tree to search, build, format, and review across — while each repository stays independentl