SWI-Prolog -- pack

Availability::- use_module(library(prolog_pack)).(can be autoloaded)

Install a package. Spec is one of

Archive file name
HTTP URL of an archive file name. This URL may contain a star (*) for the version. In this case pack_install asks for the directory content and selects the latest version.
GIT URL (not well supported yet)
A local directory name given as file:// URL or '.'
A package name. This queries the package repository at http://www.swi-prolog.org

After resolving the type of package, pack_install/2 is used to do the actual installation.