JuicePackage or Juice is a package manager creater for minimal applications like PMDMcalc or installing new lightweight apps.
It is built in to PyTermOS, and can be installed on macOS/Linux.
Only thing you need is, Python on macOS and the newest version of Juice for PyTermOS.
JuicyDevelopment is a JuicyService that can upload your apps to Juice.
JuiceUse is a service, pre-installed to JuicePackage, for easier use. Like in juice plus [package].
JuicePackage is built in with many features like JuicyDevelopment or JuiceUse, which makes JuicePackage so juicy.
python3 or newer
bash/zsh/PyTerm
Linux/PyTermOS(PyTerm)/macOS/ (almost multiplatform)
JuicePackage docs (for understanding the commands)
even though JuicePackage is in development, the SE version is in development too read more at the SE version readme
Juice is still in development, so PyTermOS is. You can contribute, so it will be ready faster.