texliveonfly
Downloads missing TeX Live packages while compiling `.tex` files.
TLDR
Download missing packages while compiling
$ texliveonfly [source.tex]
Use a specific compiler (defaults to pdflatex)
$ texliveonfly --compiler=[compiler] [source.tex]
Use a custom TeX Live bin folder
$ texliveonfly --texlive_bin=[path/to/texlive_bin] [source.tex]