Survey of 42 Package Managers That Install Each Other
The article surveys 42 package managers, charting which can install others and exposing dense cross‑language installer relationships. It finds system managers (apt, DNF, Homebrew) and language registries (PyPI, npm, RubyGems) often ship themselves, while tools like Conda and Spack rely on external routes, highlighting how far chaining installs can go before ending at a raw script.