CLPM, the Common Lisp Package Manager. The Quicklisp client doesn't do HTTPS, ql-https doesn't do Ultralisp, and OCICL (which I'm currently using) doesn't do system-wide packages. CLPM is a great project, but it's gone neglected long enough that it's bitrotted and needs some thorough patching to be made usable. Fortunately Common Lisp is still as stable as it has been for 31 years, so it's just the code which interacts with 3rd-party libraries that needs updating.
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