basherpm/basher is one of the best package managers for the bash scripting language.
It works like
composer for PHP or
npm for Node: just the
basher install <user>/<package> command will download a (bash) package from Github and put the script in your path. It can also take care of uninstalling and updating.
Basher was started in 2013 by Juan Ibiapina . There are currently more than a dozen other contributors to the package. The basher.it website (2021) and the package directory (2020) are contributions of Peter Forret.
If you’re interested in the magnificence that is advanced bash scripting, also check: